9 letters · 15 points in Scrabble
adjective having many sides or relating to a surface marked by polygons
originEtymology tree English polygon Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English polygonal From polygon + -al.
Etymology from Wiktionary, CC BY-SA 3.0