Etymology Explorer › English

Where does “hypotenuse” come from?

Hypotenuse comes from Latin hypotenusa, from Ancient Greek ὑποτείνουσα, meaning the side subtending an angle, derived from τείνω, to stretch.

hypotenuse (English): The side of a right triangle opposite the right...

Definitions

  1. The side of a right triangle opposite the right...

Ancestry of “hypotenuse”, step by step

StepLanguageWordMeaning
1Latinhypotenusa—
2Ancient Greekὑποτείνουσαpresent active participle of ῠ̔ποτείνω;...
3Ancient Greekὑποτείνωto stretch under, put under; to extend under,...
4Ancient Greekτείνωto stretch, extend; to spread; to exert, push to...
5Proto-Hellenictéňňōto stretch
6Proto-Indo-Europeantén-ye-ti—
7Proto-Indo-Europeanten-to stretch, to extend

Words derived from “hypotenuse”

  • hypotenusal
  • nonhypotenuse
Every word from Proto-Indo-European ten- →