ἀπαρεγχείρητος
From LSJ
ἔκβαλε πρῶτον ἐκ τοῦ ὀφθαλμοῦ σοῦ τὴν δοκόν, καὶ τότε διαβλέψεις ἐκβαλεῖν τὸ κάρφος ἐκ τοῦ ὀφθαλμοῦ τοῦ ἀδελφοῦ σου → first take the plank out of your own eye, and then you will see clearly to remove the speck from your brother's eye
English (LSJ)
ον,
A not to be tampered with, inviolable, Ti.Locr.95a, Arr.Epict.4.1.161, J.AJ15.8.1. Adv.-τως inimitably, perfectly, D.S.4.78.