εὐκαίρως
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
French (Bailly abrégé)
adv.
à propos;
Cp. εὐκαιρότερον, Sp. εὐκαιρότατα.
Étymologie: εὔκαιρος.
English (Strong)
adverb from εὔκαιρος; opportunely: conveniently, in season.
English (Thayer)
adverb, seasonably, opportunely; when the opportunity occurs: ἀκαίρως (which see), Xenophon, Ages. 8,3; Plato and following; Sirach 18:22.)