The story
- Ancient Greek · derived fromτρίγωνον“triangle”
- New Latin · borrowed fromtrigōnometria
- English todaytrigonometry
PIE word *tréyes From 1610s, from New Latin trigōnometria, from Ancient Greek τρίγωνον (trígōnon, “triangle”) + μέτρον (métron, “measure”), equivalent to trigono- + -metry.
Words from the same roots
Ancient Greekτρίγωνον all →
trigon
Etymology from Wiktionary, CC BY-SA 4.0.