10 letters · 13 points in Scrabble
noun an extremely bright star of very large diameter and low density
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 giant English supergiant From super- + giant.
Etymology from Wiktionary, CC BY-SA 3.0