μυόχροος
From LSJ
τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
English (LSJ)
μυόχροον, contr. μυόχρους, μυόχρουν, mouse-coloured, PFay.92.12 (ii A. D.), PLond.2.195.12 (i A. D.).