Strong's G1928 — ἐπιδιατάσσομαι (verb)
epidiatassomai (ep-ee-dee-ah-tas'-som-ai) v.
1. to appoint besides, i.e. supplement (as a codicil)
[middle voice from G1909 and G1299]
KJV: add to 
Root(s): G1909, G1299 
Hebrew root: διατάσσω
Occurrences: 1