Extended Strong's Greek Lexicon (Abbott-Smith based)
to build up/upon
Usage: ἐπ-οικοδομέω, -ῶ in NT, always metaphorically, of the spiritual life regarded as a building (Cremer, 449); __1. to build upon: 1Co.3:10 3:12 3:14; pass., Eph.2:20. __2. to build up: Col.2:7, 1Pe.2:5 (T, οἰκοδ- WH, Rec.), Ju 20.† (AS)