Where does “virus” come from?

Virus comes from Latin virus, meaning poison or venom, a word of unknown ultimate origin.

virus (English): A submicroscopic, non-cellular structure...

Definitions

  1. A submicroscopic, non-cellular structure...

Ancestry of “virus”, step by step

virus traces back through two separate lines of ancestry.

via Latin vīrus

StepLanguageWordMeaning
1Latinvīrus
2Ancient Greek-λογίαBase for nouns denoting the study of something,...
3Ancient GreekλόγοςThat which is said: word, sentence, speech,...
4Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
5Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...

via Middle English virus

StepLanguageWordMeaning
1Middle Englishvirus

Words derived from “virus

Every word from Proto-Indo-European leǵ-
virus — Etymology, Origin & Word History | Etymology Explorer