ᾔνουν

From LSJ

εἰς ὁδόν ἐθνῶν μὴ ἀπέλθητε → go not into the way of the Gentiles (Matthew 10:5)

Source

Greek Monotonic

ᾔνουν: παρατ. του αἰνέω.

Russian (Dvoretsky)

ᾔνουν: impf. к αἰνέω.