αἰώνιος

αἰώνιος, -ον (as usual in Attic), also -α, -ον. 2Th.2:16, Heb.9:12;

(αἰών), [in LXX chiefly for עוֹלָם ;]

age-long, eternal,

(a) of that which is without either beginning or end: Rom.16:26, Heb.9:14;

(b) of that which is without beginning: Rom.16:25, 2Ti.1:9, Tit.1:2;

(with) of that which is without end (MM, VGT, see word): σκηναί, Luk.16:9 οἰκία, 2Co.5:1; διαθήκη, Heb.13:20; εὐαγγέλιον, Rev.14:6; παράκλησις, 2Th.2:16; λύτρωσις, Heb.9:12; κληρονομία, ib. 15; κόλασις, Mat.25:46; κρίμα, Heb.6:2; κρίσις, Mrk.3:29…