10 letters · 14 points in Scrabble
adjective too sacred to be uttered
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 nameable English unnameable From un- + nameable.
Etymology from Wiktionary, CC BY-SA 3.0