Brún-basu

According to the Old English Dictionary:

-baso;

brún-basu

adj. [brún brown, basu purple] Dark-purple, purple, purple-red, scarlet; purpureus, ostriger, coccineus, puniceus :-- Brúnbasere reádnysse purpureo ostro, Mone B. 6102. Brúnbasum [MS. -bæsewum], reádum purpureis, 2087. Brúnbasum purpureis, 189. Brúnbaso ostriger, Cot. 145. Brúnbasne coccineum, Mone B. 6153. Ðý brúnan oððe ðý brúnbasewan puniceo, Cot. 183. brun-basu