The Collaborative International Dictionary
Perduration
Perdurance \Per*dur"ance\ (p[~e]r*d[=u]r"ans), Perduration \Per`du*ra"tion\ (p[~e]r`d[-u]*r[=a]"sh[u^]n), n. Long continuance. [Archaic]
Wiktionary
perduration
n. (context archaic English) long continuance
Usage examples of "perduration".
As an altruist I have given you a fine and nutritious meal, a length of magic rope and perduration of the sword.