Etymology

from the French petit, meaning "small", referring to the small size of the genome of viruses in the order; the suffix -virales for order taxa

from the Ancient Greek μικρός (mikrós), meaning "small", referring to the size of the genomes of viruses in the family; the suffix -viridae for family taxa

from the Japanese Empress Shōtoku (称徳天皇), aka Kōken (孝謙天皇), who wrote a poem about a plant disease caused by a geminivirus—considered the first written record of a plant virus disease; the suffix -virae for kingdom taxa

referring to the commensal lifestyle of anelloviruses; the suffix -viricota for phylum taxa

from Cardea, the Roman goddess of health; the suffix -viricetes for class taxa

from the Latin sanitas meaning health, referring to anelloviruses being part of the healthy human virome; the suffix -virales for order taxa

from the Latin anello, meaning "ring", referring to the circular nature of the DNA genome of viruses in the family; the suffix ‑viridae for family taxa

to honour Yvonne Cossart, who co-discovered parvovirus B19; the suffix -viricota for phylum taxa

from the French mou, meaning "flaccid", referring to the disease associated with Bombyx mori bidensovirus, a member of the class; the suffix -viricetes for class taxa

from polinton-like virus. Polintons are large DNA transposons which contain genes with homology to viral proteins; the suffix -virales for order taxa

from the Latin bi meaning "two" and DNA for deoxyribonucleic acid, referring to the segmented ssDNA genomes of viruses in the family; the suffix -viridae for family taxa

from papova, referring to the defunct Papovaviridae, which once included papillomavirus, mouse polyoma virus, and simian vacuolating virus ; the suffix -viricetes for class taxa

from SE [Stewart & Eddy] polyoma, the original designation for the first discovered polyomavirus (now murine polyomavirus); the suffix -virales for order taxa

from the English prefix poly- (Ancient Greek πολύς (polús) meaning “many”) and  the Greek suffix -oma, used to form nouns denoting “tumours”, referring to the association of some viruses in the family with cancers; the suffix -viridae for family taxa

to honour Harald zur Hausen, who discovered the connection between papillomaviruses and cervical cancer; the suffix -virales for order taxa

from the Latin papilla, meaning “nipple" or "pustule”, and the Greek suffix -oma, used to form nouns denoting “tumours”, referring to the association of some viruses in the family with cancers; the suffix -viridae for family taxa

from the Galician quinto, meaning "fifth", referencing Fifth disease, caused by parvovirus B19, a member of the taxon; the suffix -viricetes for class taxa

from the Italian piccolo, meaning "small" or "sharp", referring to the small size of parvovirus genomes; the suffix -virales for order taxa

from the Latin parvus, meaning "small", referring to the small virion size of viruses in the family; the suffix -viridae for family taxa

from  CRESS DNA;  referring to circular Rep-encoding ssDNA viruses; the suffix -viricota for phylum taxa.

from arginine and finger, referring to a conserved domain in the helicase of viruses in the taxon; the suffix -viricetes for class taxa

from bacillariophytes (diatoms), hosts of viruses in this taxon; the suffix -virales for order taxa

from Bacillariophytes, the name of the host of viruses in the genus Bacilladnavirus and DNA for deoxyribonucleic acid,; the suffix -viridae for family taxa

from circoviruses and circo-like viruses, referring to members of the taxon; the suffix -virales for order taxa

from the Latin circulos meaning "small ring", referring to the circular ssDNA genomes of viruses in the family; the suffix -viridae for family taxa

from the name Endolimax nana, the amoeba host for members of the family; the suffix ‑viridae for family taxa

from Vilya the ring of air, one of three rings of power from Middle-earth in the fictional novels of JR Tolkein; the suffix -viridae for family taxa; connection unclear

from circular Rep-encoding ssDNA viruses; and metagenomics; the suffix -virales for order taxa

from small circular ssDNA and the vowel o, referring to the size of genomes of viruses in the family; the suffix -viridae for family taxa

from Latvian gredzens meaning “ring”, referring to the genome circularity of viruses of the family; the suffix ‑virales for order taxa

from Jörmun gandr, a serpent in Norse mythology equivalent of ouroboros. The prefix "Jörmun-" denotes something huge, the word "gandr" refers to elongated entities, including snakes, referring to the genome circularity of members of the family; the suffix ‑viridae for family taxa

from ouroboros, a symbol depicting a serpent eating its own tail, alluding to the genome circularity of viruses of the family; the suffix ‑viridae for family taxa.

from Jörmun gandr (Norse mytology), also called World Serpent, whose body coiled around the whole Earth (Midgard). The prefix "Jörmun-" denotes something huge; the suffix ‑virales for order taxa. Connection unclear

from the ring Draupnir of Norse mythology, said to have multiplied itself every ninth night, referring to both the circular viral genome and genome replication of viruses of the family; the suffix ‑viridae for family taxa

referring to the linear genome of viruses in the family, a unique property among members of the phylum Cressdnaviricota; the suffix -virales for order taxa

from the most likely host for viruses in the family, which are members of the class Oomycetes (water molds); the suffix -viridae for family taxa

from multipartite, a feature of the genomes of viruses in this taxon; the suffix -virales for order taxa

from América do Sul or America del Sur (South America in Portuguese and Spanish, respectively), the continent in which members of the family were first described; the suffix -viridae for family taxa

from animal associated, referring to the source and CRESS, referring to circular Rep-encoding ssDNA viruses; the suffix ‑viridae for family taxa

from the Ancient Greek μεταξύ (metaxy), meaning "in-between", referring to the phylogenetic relationship of coconut foliar decay virus, a member of the family, to members of the families Geminiviridae and Nanoviridae; the suffix -viridae for family taxa

from the Ancient Greek νᾶνος (nanos), meaning "dwarf", referring to the small genome of viruses in the family and their stunting effect on infected plants; the suffix -viridae for family taxa

from redondoviruses and CRESS, referring to circular Rep-encoding ssDNA viruses, both members of the taxon; the suffix -virales for order taxa

from the Spanish redondo, meaning “round”, referring to the circular nature of the DNA genome of viruses in the family; the suffix -viridae for family taxa

from the Latin ringa meaning “ring”, referring to the genome circularity of members of the family; the suffix ‑virales for order taxa

from Peruvian stool-associated circo-like viruses; the suffix ‑viridae for family taxa

from Rivendell, elven-refuge in a steep and hidden valley to the west of the Misty Mountains, a geograpghical region of Middle-earth in the fictional novels of JR Tolkein: the suffix -virales for order taxa; connection unclear

from Narya the ring of fire, one of three rings of power from Middle-earth in the fictional novels of JR Tolkein; the suffix -viridae for family taxa; connection unclear

from Rohan, kingdom of the Rohirrim, bounded by the Anduin, the Misty Mountains, and Fangorn Forest, in the fictional novels of JR Tolkein; the suffix -virales for order taxa; connection unclear

from the Ring of Adamant (also called the Ring of Nenya in the fictional novels of JR Tolkein); adamant was a mythical stone with impenetrable hardness; the suffix ‑viridae for family taxa . Connection unclear

the name given to a group of viruses by various authors in their publications; the suffix ‑viridae for family taxa. Derivation unknown