Ancient Greek lemma · Strong’s G2644

καταλλάσσω

katallasso · /kat-al-las'-so/ — “reconcile”

change; give away; to leave; transgress, contravene; exchange; for; exchange prisoners; from enmity to friendship, reconcile; to make up one's; to become reconciled; he may be reconciled; to be atoned for

Derivation: from kata- and allassō (to change)