Strong's #1245: diakatharizo (pronounced dee-ak-ath-ar-id'-zo)
from 1223 and 2511; to cleanse perfectly, i.e. (specially) winnow:--thoroughly purge.
Thayer's Greek Lexicon:
́
diakatharizō
1) to cleanse thoroughly
Part of Speech: verb
Relation: from G1223 and G2511
Usage:
This word is used 2 times:
Matthew 3:12: "his hand, and he will throughly purge his floor, and gather"
Luke 3:17: "his hand, and he will thoroughly purge his floor, and will gather"