Where does “arctangent” come from?

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

arctangent (English): Any of several single-valued or multivalued...

Definitions

  1. Any of several single-valued or multivalued...

Ancestry of “arctangent”, step by step

StepLanguageWordMeaning
1EnglishtangentA straight line touching a curve at a single...
2Latintangentemaccusative masculine singular of tangēns;...
3Latintangenstouching, grasping; reaching, arriving at;...
4Latintangōto touch, grasp
5Proto-Italic*tangō—
6Proto-Indo-Europeandenḱ-to bite

Words derived from “arctangent”

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