Where does “might” come from?

might (Middle English) comes from Old English miht, from Old English mieht, from Old English meaht, from Old English maht, from Germanic *mahti, from Proto-Germanic mahtiz, from Proto-Germanic mahtuz, from Proto-Indo-European mógʰtis — to be able.

Ancestry of “might”, step by step

StepLanguageWordMeaning
1Old Englishmihtpower, ability; strength, power
2Old Englishmieht
3Old EnglishmeahtAlternative form of miht; second-person singular...
4Old Englishmaht
5Germanic*mahti
6Proto-Germanicmahtizpower, ability; strength, force
7Proto-Germanicmahtuzmight, power
8Proto-Indo-Europeanmógʰtis
9Proto-Indo-Europeanmeǵʰ-to be able

Words derived from “might

Every word from Proto-Indo-European meǵʰ-Every word from Proto-Indo-European mógʰtisEvery word from Proto-Germanic mahtuz