Where does “Erythrovirus” come from?

Erythrovirus (Translingual) comes from Ancient Greek ἐρυθρός, from Proto-Hellenic *erutʰrós.

Ancestry of “Erythrovirus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἐρυθρός	reddish, red
2	Proto-Hellenic	*erutʰrós	—