Etymology

from the Ancient Greek μέγας (mégas), meaning “great or large”, referring to the much larger genome size of members of the family when compared to  totiviruses; the suffix ‑viridae for family taxa

derived from oomycetous toti-like virus, referring to the host of virus members in the family and the relationship to totiviruses; the suffix ‑viridae for family taxa

from piscine toti-like, referring to the hosts of viruses in the family and the relationship to totiviruses; the suffix ‑viridae for family taxa

from the Japanese Yadonushi meaning "owner (Nushi) of a house to stay (Yado)", referring to the trans-encapsidation of yadokarivirus RNA and RdRP; the suffix ‑viridae for family taxa

from the Ancient Greek γάμμα (gámma), the third letter of the Greek alphabet and the now defunct family Totiviridae, one of the founding taxa of the order Ghabrivirales; the suffix ‑virineae for suborder taxa

from Alternaria alternata, the name of the fungal host of the earliest isolate, and RNA for ribonucleic acid, referring to the type of nucleic acid comprising the genome of viruses in the family; the suffix -viridae for family taxa

from respiratory enteric orphan, referring to the tropism and an early lack of disease association of some viruses in the taxon ; the suffix -viricetes for class taxa

from reo, an acronym of respiratory enteric orphan viruses, referring to the tropism and an early lack of disease association of some viruses in the taxon; the suffix -virales for order taxa

from the Latin sedo, meaning "smooth", referring to the appearance  of the core particles of viruses in the family, and reo, for respiratory enteric orphan, referring to the tropism and lack of disease association of some members of the virus family; the suffix -viridae for family taxa

from the Latin spina, meaning “spike”, referring to the presence of spikes or turrets on the surface of the core particles of viruses in the family, and reo for respiratory enteric orphan, referring to the tropism and lack of disease association of some members of the virus family; the suffix -viridae for family taxa

to honour Anne K. Vidaver, who co-discovered Pseudomonas phage phi6; the suffix -viricetes for class taxa

to honour Leonard Mindich, who contributed significantly to cystovirid research; the suffix -virales for order taxa

phonetically from the Greek kystis, meaning “bladder” or “sack”, referring to the virion morphology of viruses in the family; the suffix -viridae for family taxa

from the Ancient Greek κίτρινος (kítrinos) meaning "yellow", a reference to yellow fever virus, a member of the taxon; the suffix -viricota for phylum taxa

from alphavirus supergroup, referring to a historical name for some members of the taxon ; the suffix -viricetes for class taxa

from hepevirus-like, referring to the family Hepeviridae included in this taxon; the suffix -virales for order taxa

from the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet and  τετρα (tetra), the Greek cardinal 4, referring to the relationship to viruses of the Alpha-like supergroup in the replicase region and the T=4 capsid architecture that define the family; the suffix -viridae for family taxa

from the genus Benyvirus, which is derived from beet necrotic yellow vein virus, a member of the family; the suffix -viridae for family taxa

from hepatitis E virus, a member of the family; the suffix -viridae for family taxa

to honour the physician George Maton who first distinguished rubella from measles and scarlet fever; the suffix -viridae for family taxa

from the Greek myco, meaning fungus, and alpha-like virus (denoting the host and type of genomic organization); the suffix -viridae for family taxa

to honour G. P. Martelli, a pioneer in closterovirid research; the suffix -virales for order taxa

from Brome mosaic disease and also from Bromus, the host genus of brome mosaic virus, a member of the family; the suffix -viridae for family taxa

phonetically from the Greek kloster, meaning "spindle" or "thread" referring to the virion morhology of viruses in the family; the suffix -viridae for family taxa

from the Ancient Greek  ἔνδον (endon) meaning "within" and RNA for ribonucleic acid, referring to the dsRNA genomes or "endogenous dsRNAs" of viruses in the family; the suffix -viridae for family taxa

to honour the Brazilian plant virologist, Elliot Watanabe Kitajima, who contributed to the discovery of viruses in the family; the suffix -viridae for family taxa

to honour the British plant virologist Michael A Mayo, past Life Member of the ICTV; the suffix -viridae for family taxa

from the Latin toga, meaning “cloak”, possibly referring to the enveloped virion of viruses in the family; the suffix -viridae for family taxa

from the Latin virga, meaning "rod", referring to the virion morphology of viruses in the family; the suffix -viridae for family taxa

from turnip yellow mosaic virus, a member of the taxon; the suffix -virales for order taxa

from the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet, and flexi, referring to the first family created from the division of the old family Flexiviridae, a group of  filamentous and highly flexible viruses; the suffix -viridae for family taxa

from the Ancient Greek βῆτα (bêta), the second letter of the Greek alphabet, and flexi, referring to the second family created from the division of the old family Flexiviridae, a group of  filamentous and highly flexible viruses; the suffix -viridae for family taxa

from the Ancient Greek  δέλτα (délta), the fourth letter of the Greek alphabet, and flexi, referring to the fourth family created from the division of the old family Flexiviridae, a group of  filamentous and highly flexible viruses; the suffix -viridae for family taxa

from the Ancient Greek γάμμα (gámma), the third letter of the Greek alphabet, and flexi, referring to the third family created from the division of the old family Flexiviridae, a group of  filamentous and highly flexible viruses; the suffix -viridae for family taxa

from turnip yellow mosaic virus, a member of the family; the suffix -viridae for family taxa

from flavivirus supergroup, referring to a historical name for some members of the taxon; the suffix -viricetes for class taxa

from the Spanish amarillo, meaning "yellow", a reference to yellow fever virus, a member of the taxon; the suffix -virales for order taxa

from the Latin flavus, meaning “yellow”, referring to yellow fever, the disease caused by yellow fever virus, a member of the family; the suffix -viridae for family taxa

from Mag 115, the original designation of Nodamura virus, and Saitama Prefecture, Japan, where studies were done that led to the discovery of the virus ; the suffix -viricetes for class taxa

from Nodamura virus, a member of the taxon, first isolated in the village of Nodamura, Japan; the suffix -virales for order taxa

from Nodamura virus, a member of the family, first isolated in the village of Nodamura, Japan; the suffix -viridae for family taxa

from Sinaivirus, a defunct name for a member of the family and Halictivirus, an unclassified, closely related virus; the suffix -viridae for family taxa

from Tombusviridae, Luteovirus and Carmotetraviridae, three taxa included in the taxon; the suffix -viricetes for class taxa

from tombusvirus-like, referring to Tombusviridae, a family included in the taxon ; the suffix -virales for order taxa

from the type of replicase (RdRP) characteristic of carmo-like (from carnation mottle) plant viruses and from the Ancient Greek τετρα (tetra), the Greek cardinal 4, referring to the  T=4 capsid architecture of viruses in the family; the suffix -viridae for family taxa

from tomato bushy stunt virus, a member of the family; the suffix -viridae for family taxa

from Leviviridae and Narnaviridae, two families included in the taxon; the suffix -viricota for phylum taxa

from the Zulu amabili, meaning "twenty", referring to Saccharomyces 20S RNA narnavirus, a member of the taxon; the suffix -viricetes for class taxa

from the chemical element wolfram, (also known as tungsten, abbreviation: W), referring to the discovery of Saccharomyces 20S RNA narnavirus by sequencing "W dsRNA" of Saccharomyces cerevisiae; the suffix -virales for order taxa

from naked and RNA for ribonucleic acid, referring to the fact that viruses of the family have no true virion; the suffix -viridae for family taxa