Grew (ηυξανε). Imperfect active, was growing.

Waxed strong (εκραταιουτο). Imperfect again. The child kept growing in strength of body and spirit.

His shewing (αναδειξεως αυτου). Here alone in the N.T. It occurs in Plutarch and Polybius. The verb appears in a sacrificial sense. The boy, as he grew, may have gone up to the passover and may have seen the boy Jesus (Luke 2:42-52