Etymology Explorer › English

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”

  • oughtn't
  • oughtest
  • oughtness
  • oughtn't've
  • oughteth
Every word from Proto-Indo-European h₂eyḱ- →