Dox

According to the Old English Dictionary:

dosc(?);

dox

adj. Dark-coloured:--Dohx furva, Angl. xiii. 28, 18. Of glæteriendum vel scylfrum híwe vel doxum flava specie, Wrt. Voc. ii. 149, 21: An. Ox. 532 (printed dexum, Hpt. Gl. 419, 24). [N. E. D. dusk.] v. next word. dox