Abbott-Smith Manual Greek Lexicon
ἐπίτροπος (G2012)
3 ** ἐπίτροπος , -ου, ὁ ( ἐπιτρέπω ), [in LXX: II Mac 11:1 13:2 14:2 * ;] an administrator, a steward : Mt 20:8 , Lk 8:3 . a guardian (c. gen. pers., II Mac, ll. c.): Ga 4:2 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain