Where does “triangulātiōnem” come from?

triangulātiōnem (Latin) comes from Latin triangulare, from French triangulaire, from Latin triangularis, from Latin triangulus, from Latin Angulus, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

Ancestry of “triangulātiōnem”, step by step

StepLanguageWordMeaning
1Latintriangularenominative neuter singular of triangulāris;...
2Frenchtriangulairetriangular; three-way race, struggle etc
3Latintriangularistriangular
4Latintriangulustriangular, three-cornered, three-sided;...
5LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
6Proto-Indo-Europeanh₂engulosjoint?
7Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European h₂eng-