adv. [f. prec. + -LY.] In a coeternal manner, with equal eternity.
1597. Hooker, Eccl. Pol., V. (1617), 291. His coeternally begotten Sonne.
1741. trans. DArgens Chinese Lett., xxxviii. 294. If Matter did not exist coeternally with God.
1862. F. Hall, Hindu Philos. Syst., 188. They allege, that illusion has existed from beyond all duration of time, and that, coeternally with it, the soul has been enthralled.