What is "elanced"

Elance \E*lance"\, v. t. [imp. & p. p. Elanced; p. pr. & vb. n. Elancing.] [F. ['e]lancer, OF. eslancier; pref. es- (L. ex) + F. lancer to dart, throw, fr. lance.] To throw as a lance; to hurl; to dart. [R.]

While thy unerring hand elanced . . . a dart.
--Prior.

vb. (en-past of: elance)