ἀειδέμεναι

From LSJ

καὶ λέγων ὅτι Πεπλήρωται ὁ καιρὸς καὶ ἤγγικεν ἡ βασιλεία τοῦ θεοῦ· μετανοεῖτε καὶ πιστεύετε ἐν τῷ εὐαγγελίῳ → declaring “The time has been accomplished and the kingdom of God is near: start repenting and believing in the gospel!” (Μark 1:15)

Source

French (Bailly abrégé)

inf. prés. épq. de ἀείδω.

Russian (Dvoretsky)

ἀειδέμεναι: эп. inf. к ἀείδω.