Where does “bitangent” come from?

bitangent (English) comes from English bi, from English biceps, from Latin biceps, from Latin bis, from Latin color, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron — Derives agent nouns from verbs, denoting someone...

bitangent (English): A line that is tangent to a curve at two points

Definitions

  1. A line that is tangent to a curve at two points

Ancestry of “bitangent”, step by step

bitangent traces back through two separate lines of ancestry.

via English bi

StepLanguageWordMeaning
1EnglishbiBisexual; A bisexual person; A type of jade disk...
2EnglishbicepsAny muscle having two heads; Specifically, the...
3Latinbicepsdouble-headed, having two heads; having two...
4Latinbistwice, two times, on two occasions, in two ways
5Latincolorcolour, shade; color; pigment; complexion
6Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
7Ancient Greek-τρονForms instrument nouns
8Proto-Hellenic-tronForms instrument nouns from verb stems
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English tangent

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
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον