Where does “trigonometric” come from?

Trigonometric comes from English trigonometry, from French -ique, from Latin -icus, from Proto-Indo-European -kos, combining Ancient Greek γωνία meaning angle with Proto-Indo-European tréyes meaning three.

trigonometric (English): of, relating to, or constructed using...

Definitions

  1. of, relating to, or constructed using...

Ancestry of “trigonometric”, step by step

trigonometric traces back through two separate lines of ancestry.

via French trigonométrique

StepLanguageWordMeaning
1Frenchtrigonométriquetrigonometric
2Frenchtrigonométrietrigonometry
3Latintrigonometriatrigonometry
4Ancient Greekτρίγωνονtriangle; one of the Athenian lawcourts; the...
5Ancient Greekτρίγωνοςthree-cornered; three-sided
6Ancient Greekγωνίαcorner, angle; joiner's square; cornerstone
7Ancient Greekγόνυknee
8Proto-Hellenicgónuknee
9Proto-Indo-Europeanǵónuknee

via English trigonometry

StepLanguageWordMeaning
1EnglishtrigonometryThe branch of mathematics that deals with the...

Words derived from “trigonometric

Every word from Proto-Indo-European ǵónuEvery word from Proto-Hellenic gónuEvery word from Ancient Greek γόνυ