Abbott-Smith Manual Greek Lexicon
προ-βαίνω (G4260)
5 προ-βαίνω , [in LXX chiefly for בּוֹא ;] to go forwards , go on , advance : Mt 4:21 , Mk 1:19 . Metaph., of age ( Ge 18:11 , al., Lys., Diod., al.), ἐν τ. ἡμέραις , Lk 1:7 , 18 2:36 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain