Drosna

According to the Old English Dictionary:

drosne,

DROSNA

nom. acc; gen. drosna; dat. drosnum; pl. f. Grounds, sediment, lees, dregs; fæx, fæces :-- Ðás drosna hæc fæx, Ælfc. Gr. 9, 70; Som. 14, 14: Wrt. Voc. 83, 22. His drosna [drosne, Ps. Spl. T. 74, 8] nis aídlad fæx ejus non est exinānīta, Ps. Lamb. 74, 9. Drosna fæces, Ælfc. Gl. 33; Som. 62, 25; Wrt. Voc. 28, 8. He gelǽdde me of fenne drosna eduxit me de luto fæcis, Ps. Spl. 39, 2. Of ðám drosnum from the dregs, Ps. Th. 39, 1. Hí druncon óþ ða drosna usque ad fæces bibērunt, Ælfc. Gr. 47; Som. 47, 45. Eles drosna dregs of oil; amurca = άμόργη, Ælfc. Gl. 47; Som. 65, 18; Wrt. Voc. 33, 18. [Kil. droessem fæx: Ger. drusen, f. fæx: M. H. Ger. truosen, f. barm, yeast: O. H. Ger. truosana, trósana fæx, amurca.] drosna