9 letters · 13 points in Scrabble
noun the cause of a disease
noun the philosophical study of causation
originLearned borrowing from Latin aetiologia, from Ancient Greek αἰτιολογία (aitiología), from αἰτία (aitía, “cause”). By surface analysis, aetio- + -logy; Doublet of aetiologia.
Etymology from Wiktionary, CC BY-SA 3.0