Firsian

According to the Old English Dictionary:

firsian

p. ode To remove to a distance. Take here feorsian, fyrsian in Dict., and add :-- Ne feorsa ðú fultum ðínne ne elongaveris auxilium tuum, Ps. Spl. 21, 18. [N. E. D. ferse.] v. á-firsian. firsian