12 letters · 28 points in Scrabble
adjective impossible to quench
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English quenchable English unquenchable From un- + quenchable.
Etymology from Wiktionary, CC BY-SA 3.0