Abbott-Smith Manual Greek Lexicon
ἀπο-κατ-αλλάσσω (G604)
3 *† ἀπο-κατ-αλλάσσω (cf. καταλλάσσω : ἀπό here signifies completely , v. Lft., Col. , 1:20 , 21 ; Ellic., Eph. , 2:16 ; but also Mey., Eph. , 2:16 ), to reconcile completely : Eph 2:16 , Col 1:20 , 21 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain