ὀροῦμαι

From LSJ

μὴ πιστεύσητε τοῖς ἀμαθεστέροις ὑμῶν αὐτῶν → do not believe those who are more ignorant than you yourselves

Source

Russian (Dvoretsky)

ὀροῦμαι: fut. med. к ὀρνυμι.