κασᾶς
καὶ ὑποθέμενος κατὰ τῆς κεφαλῆς φέρειν τὰς πληγάς, ὡς ἐν ἐκείνῃ τοῦ τε κακοῦ τοῦ πρὸς ἀνθρώπους → and having instructed them to bring their blows against the head, seeing that the harm to humans ... (Josephus, Antiquities of the Jews 1.50)
French (Bailly abrégé)
οῦ (ὁ) :
couverture de cheval velue des deux côtés.
Étymologie: DELG emprunt oriental à un mot pop. désigant la prostituée.
Russian (Dvoretsky)
κασᾶς: οῦ ὁ попона, чепрак Xen.
Frisk Etymological English
-ᾶ, -ᾶν
Grammatical information: m.
Meaning: horse-cloth; (Agatharch., X. Kyr.), κασῆς (PTeb.), also κάσσος (Hdn. 1, 208), acc. to H. ἱμάτιον παχὺ καὶ τραχύ, περιβόλαιον, and κάς ... δέρμα H., PLond. 2, 402 V 5.
Compounds: As 1. member in κασ(σ)ο-ποιός (pap., Ostr.);
Derivatives: κασωτός adjunct of ἐσθής (Diog. Oen.).
Origin: LW [a loanword which is (probably) not of Pre-Greek origin] orient.
Etymology: Oriental loan, cf. Hebr. kissē' and kesūṭ prop. cover, (upper)cloth; Cuny MSL 19, 193f. and Nyberg in Björck Alpha impurum 295. Wrong IE. etymologies were rejcted by Bq. From Greek to Lat. casula. Kramer, AfP 45 (1999) 192-204 and AfP 46 (2000) 62-64.