προεῖεν

From LSJ

θαρσεῖν χρὴ φίλε Βάττε: τάχ' αὔριον ἔσσετ' ἄμεινον → you need to be brave, dear Battus; perhaps tomorrow will be better | Take heart, dear Battos! Tomorrow will be better.

Source

French (Bailly abrégé)

3ᵉ pl. opt. ao.2 de προΐημι.

Russian (Dvoretsky)

προεῖεν: Xen. 3 л. pl. opt. к προΐημι (v. l. к παρεῖεν).