Burse

根据古英语词典：

an;

burse

f A bag, pouch :-- Bursan (burse, lxxiv, 28) marsem ( =marsupium), Lch. i. lxxii, 4. [O.L. Ger. bursa: O.H. Ger. burissa cassidile. N.E.D. burse.] burse