Strong's #892: achuron (pronounced akh'-oo-ron)
perhaps remotely from cheo (to shed forth); chaff (as diffusive):--chaff.
Thayer's Greek Lexicon:
̓́
achuron
1) a stalk of grain from which the kernels have been beaten out
2) straw broken up by a threshing machine, chaff
Part of Speech: noun neuter
Relation: perhaps remotely from cheo (to shed forth)
Usage:
This word is used 2 times:
Matthew 3:12: "but he will burn up the chaff with unquenchable fire."
Luke 3:17: "garner; but the chaff he will burn with fire unquenchable."