ἱλασμόςhilasmós
GreekG24342 occurrences (KJV)
atonement, i.e. (concretely) an expiator
KJV renders it: propitiation
Where it appears
Lexical data: Strong’s Hebrew & Greek Dictionaries (1890, public domain; openscriptures, CC-BY-SA). Word tagging from the Strong’s-numbered KJV.