6 letters · 10 points in Scrabble
adjective lacking brightness or color; dull
adjective grave or even gloomy in character
originBorrowed from French sombre (“dark”), from Old French sombre, from a verb *sombrer or Latin sub- + umbra. Compare Spanish sombra (“shade; dark part of a picture; ghost”).
Etymology from Wiktionary, CC BY-SA 3.0