8 letters · 10 points in Scrabble
noun thick dark syrup produced by boiling down juice from sugar cane; especially during sugar refining
originFrom Portuguese melaços or Spanish melazos, from Late Latin mellacium (“must, honey-sweet thing”), from mel (“honey”) + -āceus (“-aceous”) + -ium, q.v. Some alternative forms derived or influenced by Spanish melaza and French mélasse, conjectured to derive from unattested Late Latin mellacea, from mel + -ācea.
Etymology from Wiktionary, CC BY-SA 3.0