aeternālis — Lewis & Short
aeternālis, e, adj.aeternus,
I enduring forever, everlasting (often in inscrr.):
aeternali somno sacrum,i. e. to death, Inscr. Grut. 752, 3:
domus,Inscr. Orell. 4518:
luctus,ib. 4604:
memoria,ib. 200:
lex temporalis et aeternalis,Tert. adv. Jud. 6.—Adv.: aeternālĭter, forever (late Lat.), Ad. ad H. Prud. March, p. 245.