Feorsian

According to the Old English Dictionary:

fyrsian;

feorsian

p. ode; pp. od To go beyond, remove; ultĕrius procēdĕre, elongāre :-- Ðú meaht feorsian thou mayest go beyond, Bt. Met. Fox 24, 52; Met. 24, 26. DER. a-feorsian, -fyrsian, afor-feorsian. feorsian