Etymology

from the Ancient Greek εὖ (eû), meaning “well" or "good”, and Roniviridae; the suffix -viridae for family taxa; derivation unclear

from rod-shaped nidovirus, referring to the virion morphology of viruses in the family; the suffix -viridae for family taxa

from Tobaniviridae, the consonant r and Nidovirales, two taxa in the taxon and a consonant; the suffix -virineae for suborder taxa

from Torovirus, Bafinivirus and Nidovirales, taxa in this family; the suffix -viridae for family taxa

from Picornaviridae (itself from the Spanish pico, meaning "small"or "sharp") and RNA for ribonucleic acid, referring to the size of the  RNA genome of viruses in the taxon; the suffix -virales for order taxa

from the Latin calix, meaning “cup” or “goblet”, referring to cup-shaped depressions on the virion surface of viruses in the family; the suffix -viridae for family taxa

from the Greek di-, meaning "two" and cistron, a genetic unit, referring to the characteristic dicistronic arrangement of the genome of viruses in the family; the suffix -viridae for family taxa

from the former species name, Infectious flacherie virus (now Iflavirus flacherie), a taxon in the family; the suffix -viridae for family taxa

from the Latin mare, meaning "sea", referring to the environment from which virus was isolated, and RNA, referring to ribonucleic acid, the genetic material of viruses in the family; the suffix -viridae for family taxa

from the Armenian nora, meaning "new", referring to  Nora virus, a member of the family; the suffix -viridae for family taxa

from poliovirus, insensitivity to ether, coxsackievirus, orphan virus, rhinovirus, and ribonucleic acid; or from the Spanish pico, meaning "a small balance" i.e. unit of measurement and RNA, for ribonucleic acid, referring to the small RNA genome of viruses in the family; the suffix -viridae for family taxa

from polycistronic picorna-like, referring to the genome organisation of viruses in the family; the suffix -viridae for family taxa

from the amalgamation of the now defunct families Sequiviridae and Comoviridae (respectively from the Latin sequi, meaning to "accompany", referring to the dependent aphid transmission of parsnip yellow fleck virus, and from cowpea mosaic virus), both members of the virus family; the suffix -viridae for family taxa

from Solenopsis invicta virus 3, a member of the family; the suffix -viridae for family taxa 

from sobemovirus-like; the suffix -virales for order taxa

from the dinoflagellate host ( Heterocapsa circularisquama, a member of the Alveolata) and RNA for ribonucleic acid, referring to the ssRNA genome of viruses in the family; the suffix -viridae for family taxa

from bacilliform-shaped virus and RNA for ribonucleic acid, referring to the morphology of virions and the  genome of viruses in the family; the suffix -viridae for family taxa

from Sobemovirus (from Southern bean mosaic virus) and Polemovirus (from potato leafroll virus), two genera in the family; the suffix -viridae for family taxa

from the names of the founding orders (Stellavirales, Patatavirales); the suffix -viricetes for class taxa

from the Italian patata meaning "potato", referencing potato virus Y, a member of the taxon; the suffix -virales for order taxa

from potato virus Y, a member of the family; the suffix -viridae for family taxa

from the Latin stella, meaning "star", referrring to astroviruses, which are included in the taxon; the suffix -virales for order taxa

from the Greek astron, meaning "star", referring to the star-like appearance of spikes projecting from the surface of virions of viruses in the family; the suffix -viridae for family taxa

from the Japanese yadokari (やどかり, 宿借), meaning “room borrower", referring to the the lifestyle (hetero-encapsidation) of yadokariviruses; the suffix -virales for order taxa

from the Japanese yadokari (やどかり, 宿借), meaning “room borrower", referring to the lifestyle (hetero-encapsidation) of viruses in the family; the suffix -viridae for family taxa

from the Japanese hadaka (裸、はだか), meaning “naked”, referring to the capsidless nature of viruses in this family; the suffix -viridae for family taxa

from the Finnish orpo meaning orphan; the suffix -viricetes for class taxa

from ormycovirus and the letter B, randomly selected; the suffix -virales for order taxa

from the Ancient Greek ἄλφα (álpha), the first letter of the Greek alphabet, and ormycovirus; the suffix -viridae for family taxa

from the Ancient Greek  δέλτα (délta), the fourth letter of the Greek alphabet, and ormycovirus; the suffix -viridae for family taxa

from ormycovirus and the letter F, randomly selected; the suffix -virales for order taxa

from the Ancient Greek βῆτα (bêta), the second letter of the Greek alphabet, and ormycovirus; the suffix -viridae for family taxa

om the Ancient Greek γάμμα (gámma), the third letter of the Greek alphabet, and ormycovirus ; the suffix -viridae for family taxa

from the Latin  bi meaning “two”,  and RNA for ribonucleic acid, referring to the bisegmented nature of the genome, and the presence of dsRNA, in viruses of the family; the suffix -viridae for family taxa

from the Latin permutare, meaninmg "to change thoroughly" and  the Ancient Greek τετρα (tetra), the Greek cardinal 4, referring to the type of RdRP (replicase) whose active site is permuted and the T=4 capsid architecture of viruses in the family; the suffix -viridae for family taxa

from the Greek παρά (pará), meaning "besides" or "next to", and RNA for ribonucleic acid, referring to the second kingdom in the realm Riboviria  ; the suffix -virae for kingdom taxa

from reverse transcriptase when read backwards, referring to the mode of genome replication of viruses in the taxon; the suffix -viricota for phylum taxa

from reverse transcriptase, referring to the mode of genome replication of viruses in the taxon; the suffix -viricetes for class taxa

to honour Barry Blumberg for his role in hepatitis B research; the suffix -virales for order taxa

from the Greek hepar, meaning “liver” and DNA for deoxyribonucleic acid, referring to the infection of liver tissues and the deoxyribonucleic acid genome of viruses in the family; the suffix -viridae for family taxa

from orter, an inversion of retro, which stands for reverse transcription, referring to the mode of genome replication of viruses in the taxon; the suffix -virales for order taxa

from Drosophila melanogaster Bel virus and the Bombyx mori Pao virus, two members of the family; the suffix -viridae for family taxa

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

from the late Latin metathesis, meaning “transposition”, referring to the family of retrotransposons; the suffix -viridae for family taxa

from the Ancient Greek ψευδής (pseudes), meaning "false", referring to an evolutionary relationship of family members to viruses with extracellular virions, although they themselves have no extracellular phase; the suffix -viridae for family taxa

from the Latin retro, meaning “backwards”, referring to the activity of reverse transcriptase which transfers genetic information from RNA “back” to DNA during replication of viruses in the family; the suffix -viridae for family taxa

from tombusvirid-dependent; the suffix -virales for order taxa

from Panicum mosaic virus and satellite; the suffix -viridae for family taxa

from small virus of arthropods, referring to the host (giant freshwater prawns) of viruses in the family; the suffix -viridae for family taxa

from tobacco mosaic virus and satellite ; the suffix -viridae for family taxa