10 letters · 14 points in Scrabble
noun (biology) a taxonomic class below a phylum and above a class
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 class English superclass From super- + class.
Etymology from Wiktionary, CC BY-SA 3.0