αἰών

αἰών, -ῶνος, ὁ,

[in LXX chiefly for עַד ,עוֹלָם ;]

1. in cl., like Lat. aevum (LS, MM, VGT, see word), a space of time, as, a lifetime, generation, period of history, an indefinitely long period; in NT of an indefinitely long period, an age, eternity, usually with prep. (MM, VGT);

(a) of the past: ἀπ᾽ αἰ. (cf. Heb. מֵעוֹלָם), Luk.1:70;

(b) of the future: εἰς τ. αἰ. (cf. לְעוֹלָם), forever, Mat.21:19; id., with neg., never, Jhn.4:14; more strongly, εἰς τὸν αἰ. τοῦ αἰ., Heb.1:8 (LXX); εἰς τοὺς αἰ., Mat.6:13…