Abbott-Smith Manual Greek Lexicon
ἐπί-σκοπος (G1985)
5 ἐπί-σκοπος , -ου, ὁ ( σκοπός , a watcher ), [in LXX for פָּקַד , its parts and derivatives, Nu 4:16 31:14 , Jg 9:28 , IV Ki 11:15 , 18 , II Ch 34:12 , 17 , Ne 11:9 , 14 , 22 ; אֵל , Jb 20:29 ; נוֹגַשׂ :, Is 60:17 ; Wi 1:6 , I Mac 1:51 * ;] a superintendent, guardian, overseer (cl.; for exx. v. LS, s.v.): Ac 20:28 , I Pe 2:25 ( ICC , in l.); as technical term for a religious office (Deiss., BS , 230 f.), in later Paul. epp. of the head of a church (Vg. episcopus ), a bishop : Phl 1:1 , I Ti 3:2 , Tit 1:7 (v. reff. s.v. ἐπισκοπή ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain