Fyrs

According to the Old English Dictionary:

es;

FYRS

m. FURZE, furze-bushes; genista, rhamnus, ulex eurōpæus, Lin: -- Fyrs rhamnus, Wrt. Voc. 80, 21. Fyrses berian arciotidas [ = GREEK juniper-berries], Glos. Brux. Recd. 43, 15; Wrt. Voc. 69, 30. Ær-ðan undergǽton eówre þornas fyrs priusquam intellĭgĕrent spīnæ rhamnum, Ps. Lamb. 57, 10: Lchdm. iii. 86, 17. Swá hwá swá wille sáwan westmbǽre land, atió ǽrest of ða þornas, and ða fyrsas whosoever will sow fertile land, let him first draw out the thorns, and the furze, Bt. 23; Fox 78, 22: Bt. Met. Fox 12, 6; Met. 12, 3. [Wyc. firse, frijse gorst, furze: Piers P. firses, pl.] fyrs