11 letters · 17 points in Scrabble
noun an extreme accumulation of fat on the buttocks
originEtymology tree English steato- English pygo- Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -iader. English -ia English steatopygia From steato- + pygo- + -ia.
Etymology from Wiktionary, CC BY-SA 3.0