From ek and trepho; to rear up to maturity, i.e. (genitive case) to cherish or train -- bring up, nourish.
see GREEK ek
see GREEK trepho
1. to nourish up to maturity; then universally, to nourish: τήν ἑαυτοῦ σάρκα, Ephesians 5:29.
2. to nurture, bring up: τά τέκνα, Ephesians 6:4. STRONGS NT 1625a: ἔκτρομος [ἔκτρομος, adjective (cf. ἔκφοβος), trembling exceedingly, exceedingly terrified: Hebrews 12:21 Tr marginal reading WH mrg, after the Sinaiticus and Claromontanus manuscripts (others ἔντρομος, which see). Not found elsewhere.