Where does “ought” come from?

Ought comes from Old English āgan, which derives from Proto-Germanic ahtōu, ultimately from Proto-Indo-European oḱtṓw meaning eight.

ought (English): simple past tense of owe; Indicating duty or...

Definitions

  1. simple past tense of owe; Indicating duty or...

Ancestry of “ought”, step by step

StepLanguageWordMeaning
1Middle Englishoughte
2Old Englishāhte
3Old Englishāganto own, possess
4Proto-West Germanicaiganto possess, to own, to have; own
5Proto-Germanic*aiganą
6Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
7Proto-Indo-Europeanh₂eyḱ-to possess, to own

Words derived from “ought

Every word from Proto-Indo-European h₂eyḱ-Every word from Proto-Indo-European h₂eh₂óyḱeEvery word from Proto-Germanic *aiganą