Abbott-Smith Manual Greek Lexicon
ἱλασμός (G2434)
2 † ἱλασμός , -οῦ ( ἱλάσκομαι ), [in LXX: Le 25:9 , Nu 5:8 ( כִּפֻּרִים ), Ps 129(130):4 , Da TH 9:9 ( סְלִיחָה ), Am 8:14 ( אַשְׁמָה ), Ez 44:27 ( חַטָּאת ), I Ch 28:20 , Si 18:20 A, II Mac 3:33 *;] an appeasing (Plut.). a means of appeasing , propitiation (Philo; Nu 5:8 , Ez 44:27 ): I Jo 2:2 4:10 . In LXX also forgiveness ( Ps 129(130):4 , Da TH 9:9 ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain