ἀκατάμεμπτος
From LSJ
ἀναμαρτήτως ζῆν καὶ τοῖς ἄλλοις ἀλύπως → live in a manner above reproach and without offence to others
Spanish (DGE)
-ον
1 completamente irreprochable, intachable de un difunto SEG 32.928 (Sicilia IV d.C.).
2 adv. -ως de un modo completamente irreprochable ἐμ πᾶσιν ἀκαταμέμπτως ἔχοντα IG 12(7).231 (Amorgos II/I a.C.).