Beóst

根据古英语词典：

býst, býsting, es;

BEÓST

m? BIESTINGS, the first milk of a cow after calving; colostrum :-- Beóst biestings; obesta, Ælfc. Gl. 31; Som. 61, 102. Býst colostrum, Ælfc. Gl. 31; Som. 61, 102. Býsting, þicce meolc biest, biestings, thick milk, Ælfc. Gl. 33; Som. 62, 20. [Plat. beest, beest-melk : Dut. Ger. biest : O. H. Ger. biost : Goth. beist.] beost