köken: Borrowed from Old French or Old Occitan, both from Frankish *grīs, from Proto-Germanic *grīsaz (“grey”). Akin to Old High German grīs (“grey”) (German greis) and Dutch grijs (“grey”). More at grizzle. Cognate with Sicilian grisu/griciu.
köken: From Proto-Turkic *sūr. Compare to Kazakh сұр (sūr, “light brown”), Kyrgyz сур (sur), Karaim sur (“reddish brown”), Kumyk сюр (sür, “light brown”), Southern Altai сур (sur), Bashkir һоро (horo), Uzbek sur, Turkmen sūr, etc.
köken: From Proto-Turkic *sūr. Compare to Kazakh сұр (sūr, “light brown”), Kyrgyz сур (sur), Karaim sur (“reddish brown”), Kumyk сюр (sür, “light brown”), Southern Altai сур (sur), Tatar соры (sorı), Uzbek sur, Turkmen sūr, etc.
köken: ank- + -ea with a root borrowed from Proto-Norse [Term?] (compare Old Norse ǫngr), or alternatively from ank- + -ea, by replacing the apparent -ra in ankara with the adjectival suffix -ea.