ἀμετάπτωτος
ἀμετά-πτωτος, ον,
A). unchanging, unchangeable, λόγοι μόνιμοι καὶ ἀ. Ti. 29b ; ἐπιστήμη Top. 139b33 ; ἡ ἀρετή MM 1209b13 , Stoic. 1.50 , etc.; κατάληψις ἀ. ὑπὸ λόγου Zenoib. 1.20 ; πίστεις Rh. 1.378S. ( Sup.).
b). not losing its power, of medicine, . 12.422