ἵλεως G2436
híleōs · hil'-eh-oce · Adjective
perhaps from the alternate form of αἱρέομαι; cheerful (as attractive), i.e. propitious; adverbially (by Hebraism) God be gracious!, i.e. (in averting some calamity) far be it:--be it far, merciful.
2 Occurrences in the King James Bible
Matthew 16:22Then Peter took him, and began to rebuke him, saying, Be it far from thee, Lord: this shall not be unto thee.
Hebrews 8:12For I will be merciful to their unrighteousness, and their sins and their iniquities will I remember no more.