10 letters · 11 points in Scrabble
adjective of superficial relevance if any
adjective of or relating to or acting along or in the direction of a tangent
originEtymology tree Proto-Indo-European *teh₂g- Proto-Italic *tangō Latin tangō Latin tangēns Latin tangentembor. English tangent Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisder. Old French -ialder. Middle English -ial English -ial English tangential From tangent + -ial.
Etymology from Wiktionary, CC BY-SA 3.0