ἔμειν

From LSJ

ἐὰν ᾖς φιλομαθής, ἔσει πολυμαθής → if you are studious, you will become learned

Source

Greek (Liddell-Scott)

ἔμειν: (= εἷναι), Ἐπιγρ. Δωδώνης, Καραπ. Δωδ. XXXVII, 4.

Spanish (DGE)

v. εἰμί.