From kaphar; expiation (only in plural):
see HEBREW kaphar
H3725. kippur
כִּמֻּרִים noun plural abstract atonement, only in P: הַכּ ׳הַטַּאת sin-offering of the atonement Exodus 30:10; Numbers 29:11; (ה)כ ׳יוֺם day of (the) atonement Leviticus 23:27-28, 25:9; הַכּ ׳אֵיל Numbers 5:8; ׳עַלהַֿכּ Exodus 29:36; הכ ׳כֶּסֶף 30:16 money of atonement.