ἔστω

From LSJ

Ἕκτορ νῦν σὺ μὲν ὧδε θέεις ἀκίχητα διώκων → Hector, you run in pursuit of something unattainable | Hector, now art thou hasting thus vainly after what thou mayest not attain | Hector, now you are hasting thus vainly after what you may not attain

Source

French (Bailly abrégé)

3ᵉ sg. impér. de εἰμί.

English (Strong)

second person singular present imperative of εἰμί; be thou; also estosan, third person of the same let them be: be.

Russian (Dvoretsky)

ἔστω: 3 л. sing. imper. к εἰμί.