ἱλασμός (hilasmóshil-as-mos'nounpropitiation)
[Grk] ἱλασμός LN: 40.12 GK: G2662 Hebrew: אַשְׁמָה, חַטָּאָה, כִּפֻּר, סְלִיחָה

Strong's: atonement, i.e. (concretely) an expiator
KJV: --propitiation.