9 letters · 12 points in Scrabble
noun ratio of the adjacent to the opposite side of a right-angled triangle
originEtymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Proto-Indo-European *teh₂g- Proto-Italic *tangō Latin tangō Latin tangēns Latin tangentembor. English tangent English cotangent From co- + tangent.
Etymology from Wiktionary, CC BY-SA 3.0