φιλεταίριον
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)
τό, or φῐλεταίρ-ιος, ὁ,
A = πολεμώνιον, Dsc.4.8 (also φῐλεταιρίς, ίδος, ἡ, Plin.HN25.99; but = ῥάμνος, a spinous buckthorn, Nic.Th.632, where φιλέταιριν codd.). II = ὠκιμοειδές, Dsc.4.28. 2 = κληματίς, Ps.-Dsc.4.7.