a. [f. AGE sb. + LONG.] Long with the length of an age, long as an age; lasting for an age.
1810. Southey, Kehama, XXIII. v. Wks. VIII. 189. Where the heavenly Hours Weave the vast circle of his age-long day.
1862. Lytton, Strange Story (1866), II. lxxxvii. 355. The age-long trees in the forest.
1878. L. Morris, Hades, 24. Self-inflicted death and age-long woe.