Where does “main” come from?

Main comes from French main, from Latin manus meaning "hand," from Proto-Indo-European men- or man-, both roots relating to manual action.

main (English): Of chief or leading importance; prime, principal;...

Definitions

  1. Of chief or leading importance; prime, principal;...

Ancestry of “main”, step by step

main traces back through 3 separate lines of ancestry.

via French main

StepLanguageWordMeaning
1Frenchmainhand; handball
2Middle Frenchmainhand
3Old Frenchmainhand
4Latinmanushand; bravery, valor; violence, fighting
5Proto-Italicmanushand
6Proto-Indo-Europeanman-human being; man; hand

via Middle English mayn

StepLanguageWordMeaning
1Middle EnglishmaynStrongness or physical capability; Governmental...
2Old Englishmæġenmight, main; strength
3Proto-Germanicmaginąability, power, might, main
4Proto-Indo-Europeanmēgh-to be able

via English tweet

StepLanguageWordMeaning
1EnglishtweetThe sound of a bird; any short high-pitched sound...

Words derived from “main

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