Befer

根据古英语词典：

beofer, beofor, byfor, es;

BEFER

m. A BEAVER; castor, fiber :-- Befer fiber, castor, ponticus? Ælfc. Gl. 19; Som. 59, 3; Wrt. Voc. 22, 47. Beofor, byfor fiber, Ælfc. Gr. 8; Som. 7, 13. [Plat. Dut. bever : Ger. M. H. Ger. biber : O. H. Ger. pipar, pipur : Dan. bäver : Swed. bäfver : O. Nrs. bifra, f : Slav. bobr. Grm. Wrtbch. i. 1806 connects the word with Ger. bauen to build.] befer