From calach; pardon -- forgiveness, pardon.
see HEBREW calach
H5547. selichah
סְלִיחָה noun feminine forgiveness (late; on formative see Köii. 1, 197); — ׳ס Psalm 130:4; plural abstract intensive abundant forgiveness, סְלִיחוֺת Nehemiah 9:17, סְלִחוֺת Daniel 9:9.