7 letters · 16 points in Scrabble
adjective marked by active interest and enthusiasm
originFrom Middle English zelose, from Latin zēlōsus, from zēlus + -ōsus, from Ancient Greek ζῆλος (zêlos, “zeal, jealousy”), from ζηλόω (zēlóō, “to emulate, to be jealous”). By surface analysis, zeal + -ous. Doublet of jealous.
Etymology from Wiktionary, CC BY-SA 3.0