Etymology Explorer › English

Where does “flu” come from?

flu (English) comes from English influenza, from Italian influenza, from Latin īnfluentia, from Latin īnfluēns, from Latin īnfluō, from Latin īn-, from Latin în, from Latin en — in.

flu (English): Influenza; Stomach flu

Definitions

  1. Influenza; Stomach flu

Ancestry of “flu”, step by step

StepLanguageWordMeaning
1EnglishinfluenzaAn acute contagious disease of the upper airways...
2Italianinfluenzainfluence; influenza, flu; third-person singular...
3Latinīnfluentia—
4Latinīnfluēns—
5Latinīnfluō—
6Latinīn-—
7Latinîn—
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin

Words derived from “flu”

  • flulike
  • superflu
  • antiflu
Every word from Proto-Indo-European h₁én →