πρὶν ἀλέκτορα φωνῆσαι τρὶς → before the rooster crows three times (Matthew 26:75)
adj.
P. and V. καθαρός, ἁγνός (rare P.), ὅσιος, εὐαγής (rare P.), ἀκήρατος (rare P.), ἀκέραιος, V. ἀκραιφνής, ἄθικτος, P. ἀναμάρτητος; see guiltless, pious.