κασῆς
From LSJ
Ἰδών τι κρυπτὸν (χρηστὸν) μηδὲν ἐκφάνῃς ὅλως → Aliquid vidisti occultum (pulchrum)? Nihil elimina → Siehst du Verborgnes (was Gutes), offenbare dich nicht ganz
English (LSJ)
ὁ (on the accent v. Hdn.Gr.1.63), skin used as a saddle or horse-cloth, acc. sg. κασᾶν X.Cyr.8.3.8; acc. dual κασᾶ ib.8.3.7; acc. pl. κασᾶς ib.8.3.6 (καλέσας codd.), Agatharch.20; nom. sg. κασῆς PTeb.38.22 (ii B. C.); abbreviated in PLond.2.402v5 (ii B.C.): written κασσ- by Poll.7.68; cf. κάσσος, κασσοποιός. (Ethiopian word, Agatharch. l. c.; cf. Hebr. kāsāh 'covered'.)
Dutch (Woordenboekgrieks.nl)
κασῆς -οῦ, ὁ, acc. sing. -ᾶν, acc. plur. -ᾶς, acc. dual. -ᾶ, paardendeken.