Strong's G1571 — ἐκκαθαίρω (verb)
ekkathairo (ek-kath-ai'-ro) v.
1. to cleanse thoroughly
[from G1537 and G2508]
KJV: purge (out) 
Root(s): G1537, G2508 
Hebrew root: καθαίρω
Occurrences: 2