Where does “tangent” come from?

tangent (Swedish) comes from Latin tangens, from Latin tangō, from Proto-Italic *tangō, from Proto-Indo-European denḱ- — to bite.

tangent (Swedish): key; tangent

Definitions

  1. key; tangent

Ancestry of “tangent”, step by step

StepLanguageWordMeaning
1Latintangenstouching, grasping; reaching, arriving at;...
2Latintangōto touch, grasp
3Proto-Italic*tangō
4Proto-Indo-Europeandenḱ-to bite

Words derived from “tangent

Every word from Proto-Indo-European denḱ-Every word from Proto-Italic *tangōEvery word from Latin tangō