Where does “mighty” come from?

mighty (Middle English) comes from Old English mihtiġ, from Proto-West Germanic mahtīg, from Proto-Germanic mahtīgaz, from Proto-Germanic mahtiz, from Proto-Germanic mahtuz, from Proto-Indo-European mógʰtis, from Proto-Indo-European meǵʰ- — to be able.

Ancestry of “mighty”, step by step

StepLanguageWordMeaning
1Old Englishmihtiġpowerful, mighty, able
2Proto-West Germanicmahtīgmighty, powerful
3Proto-Germanicmahtīgazmighty
4Proto-Germanicmahtizpower, ability; strength, force
5Proto-Germanicmahtuzmight, power
6Proto-Indo-Europeanmógʰtis—
7Proto-Indo-Europeanmeǵʰ-to be able

Words derived from “mighty”

Every word from Proto-Indo-European meǵʰ- →Every word from Proto-Indo-European mógʰtis →Every word from Proto-Germanic mahtuz →