English

influenzavirus

From influenza + virus.

Latin īnfluent-

Latin influentia ‘influence’

Italian influenza ‘influence’

Proto-Indo-European *wisós ‘fluidity, slime, poison’

Proto-Italic *weizos

Latin vīrus ‘poison, slime, venom’

Middle English virus

English virus

Today it means

noun Any of a group of viruses, in family Orthomyxoviridae, that cause influenza.

Language periods are conventional ranges, not dates for this word.

Etymograph / influenzavirus