εἴην
From LSJ
ὑμῖν ἔξεστι εὐδαίμοσι γενέσθαι → to you it is permitted to be joyful, it is permitted to be happy, it is permitted to be fortunate, vobis licet esse beatis
Greek (Liddell-Scott)
εἴην: εὐκτ. ἀορ. β΄ τοῦ ἵημι· ἀλλ’ εἴην εὐκτ. ἐνεστ. τοῦ εἰμὶ (ὑπάρχω).
French (Bailly abrégé)
opt. de εἰμί.
English (Strong)
optative (i.e. English subjunctive) present of εἰμί (including the other person); might (could, would, or should) be: mean, + perish, should be, was, were.