From a (as a negative particle) and a presumed derivative of metamellomai; irrevocable -- without repentance, not to be repented of.

see GREEK a

see GREEK metamellomai

ἀμεταμέλητα (ametamelēta) − 1 Occurrence

ἀμεταμέλητον (ametamelēton) − 1 Occurrence