Strong's Concordance G440

Original Word: ἄνθραξ
Transliteration: ánthrax
Phonetic Spelling: anth'-rax
[ἄνθραξ] of uncertain derivation; a live coal

Usages throughout the bible

Romans 12:20 - Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals G440 of fire on his head.