Webster’s Revised Unabridged Dictionary · 1913
Effendi
Ef·fen′di, n., [Turk. efendi, fr. Modern Gr. ?, fr. Gr. ? a chief. See Authentic.] Master; sir; — a Turkish title of respect, applied esp. to a state official or man of learning, as one learned in the law, but often simply as the courtesy title of a gentleman.