μυόχροος
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
ον, contr. -χρους, ουν,
A mouse-coloured, PFay.92.12 (ii A. D.), PLond.2.195.12 (i A. D.).