Blanc

According to the Old English Dictionary:

BLANC

adj. BLANK, white, grey; pallidus, albus, candidus :-- Gewiton mearum rídan beornas on blancum the warriors departed to ride on white horses, Beo. Th. 1716; B. 856. [Relq. Ant. W. i, 37, 30, blonc white: Dut. blank white, shining: Ger. blank albus: M. H. Ger. blanc: O. H. Ger. blanch candidus: Dan. Swed. blank bright: O. Nrs. blankr albus, Rask Hald: hence Span. blanco white: Fr. blanc: It. bianco.] blanc