Dictionary entry

ἀεί

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀεί, adv.,

[in LXX: Is 42:14 (מֵעוֹלָם) 51:13 (תָּמִיד), Ps 94 (95):10, al.;]

ever;

1. of continuous time, unceasingly, perpetually: Ac 7:51, 2 Co 4:11 6:10, Tit 1:12, He 3:10.

2. Of successive occurrences, on every occasion (MM, VGT, s.v.): I Pe 3:15, II Pe 1:12.†