griseous

gris·e·ous

G0273500 (grĭz′ē-əs, grĭs′-)adj. Mottled with gray, especially bluish gray; grizzled.
[Medieval Latin grīseus, of Germanic origin.]

griseous

(ˈɡrɪsɪəs; ˈɡrɪz-) adj (Colours) streaked or mixed with grey; somewhat grey[C19: from Medieval Latin griseus, of Germanic origin]

gris•e•ous

(ˈgrɪs i əs, ˈgrɪz-)

adj. gray; pearl-gray. [1810–20; < Medieval Latin grīseus, « Germanic *grīs gray; compare Old Saxon grīs, Old French, French gris gray; see -eous]