μυόχροος
From LSJ
ὁκόσα γὰρ ὑπὰρ ἐκτρέπονται ὁποίου ὦν κακοῦ, τάδε ἐνύπνιον ὁρέουσι ὥρμησε → for whatever, when awake, they have an aversion to, as being an evil, rushes upon their visions in sleep (Aretaeus, Causes & Symptoms of Chronic Disease 1.5.6)
English (LSJ)
μυόχροον, contr. μυόχρους, μυόχρουν, mouse-coloured, PFay.92.12 (ii A. D.), PLond.2.195.12 (i A. D.).