9 letters · 14 points in Scrabble
noun a star that explodes and becomes extremely luminous in the process
originEtymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- English nova English supernova From super- + nova.
Etymology from Wiktionary, CC BY-SA 3.0