15 letters · 24 points in Scrabble
noun the branch of entomology dealing with Lepidoptera
originFrom Ancient Greek λεπίς (lepís, “scale”) + πτερόν (pterón, “wing”) + -λογία (-logía, “-logy, branch of study”), or, more recently, from translingual Lepidoptera + -ology.
Etymology from Wiktionary, CC BY-SA 3.0