Where does “oughte” come from?

oughte (Middle English) comes from Old English āhte, from Old English āgan, from Proto-West Germanic aigan, from Proto-Germanic *aiganą, from Proto-Indo-European h₂eh₂óyḱe, from Proto-Indo-European h₂eyḱ- — to possess, to own.

Ancestry of “oughte”, step by step

StepLanguageWordMeaning
1Old Englishāhte—
2Old Englishāganto own, possess
3Proto-West Germanicaiganto possess, to own, to have; own
4Proto-Germanic*aiganą—
5Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
6Proto-Indo-Europeanh₂eyḱ-to possess, to own

Words derived from “oughte”

Every word from Proto-Indo-European h₂eyḱ- →Every word from Proto-Indo-European h₂eh₂óyḱe →Every word from Proto-Germanic *aiganą →
oughte — Etymology, Origin & Word History | Etymology Explorer