10 letters · 15 points in Scrabble
adjective pertaining to or worked or produced by friction
originEtymology tree English friction 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 frictional From friction + -al.
Etymology from Wiktionary, CC BY-SA 3.0