G2121–εὔκαιρος–eukairos

And a holiday being come, when Herod, on his birthday, made a supper to his grandees, and to the chiliarchs, and the chief [ergänzt: men] of Galilee;

εὐκαίρου eukairou “opportune”

Let us approach therefore with boldness to the throne of grace, that we may receive mercy, and find grace for seasonable help.

εὔκαιρον eukairon “in time of need”