FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

akakos ἄκακος — ak'-ak-os — from 1 (as a negative particle) and 2556; not bad, i.e. (objectively) innocent or (subjectively) unsuspecting:--harmless, simple.

see GREEK for 1

see GREEK for 2556