11 letters · 18 points in Scrabble
noun a scar where the umbilical cord was attached
originEtymology tree Proto-Indo-European *bʰelǵʰ- Proto-Indo-European *-is Proto-Indo-European *bʰólǵʰis Proto-Germanic *balgiz Proto-West Germanic *balgi Old English bielġ Middle English bely English belly English button English bellybutton From belly + button.
Etymology from Wiktionary, CC BY-SA 3.0