muscovado

noun

the dark raw sugar that remains after the molasses has been extracted from the juice of the sugar cane

Etymology: Sp mascabado (or Port mascavado), unrefined, of inferior quality < Sp mascabar, to depreciate, contr. < menoscabar, to lessen, deteriorate < menos, less (< L minus: see minus) + acabar, to achieve < L ad-, to + caput, head