Abbott-Smith Manual Greek Lexicon
τρίς (G5151)
12 τρίς ( τρεῖς ), adv. , thrice : Mt 26:34 , 75 , Mk 14:30 , 72 , Lk 22:34 , 61 , Jo 13:38 , II Co 11:25 12:8 ; ἐπὶ τ. , Ac 10:16 11:10 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain