13 letters · 18 points in Scrabble
adjective of or relating to or according to the principles of trigonometry
originEtymology tree English trigonometr(y) Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English trigonometric From trigonometr(y) + -ic.
Etymology from Wiktionary, CC BY-SA 3.0