Abbott-Smith Manual Greek Lexicon
Τρωγύλλιον (G5175)
1 (KJV) Τρωγύλλιον (also written -γύλιον, -γίλιον, -ία , v. Bl., § 6, 3), -ου, τό, Trogyllium , a city of Ionia: Ac 20:15 (WH, txt., R, txt., om.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain