Strong's G2026 — ἐποικοδομέω (verb)
epoikodomeo (ep-oy-kod-om-eh'-o) v.
1. to build upon
2. (figuratively) to rear up
[from G1909 and G3618]
KJV: build thereon (thereupon, on, upon) 
Root(s): G1909, G3618 
Hebrew root: οἰκοδομέω
Occurrences: 7