13 letters · 18 points in Scrabble
noun hypertrophy of certain body parts (usually legs and scrotum); the end state of the disease filariasis
originFrom Latin elephantiasis or directly from Ancient Greek ἐλεφᾰντῐ́ᾱσῐς (elephăntĭ́āsĭs).
Etymology from Wiktionary, CC BY-SA 3.0