χώρ-ημα · chōr-ēma — LSJ
space, room, Gp. 4.1.16, PMag.Par. 1.1087, Secund. Sent. 15; cavity, τὸ τοῦ ἀναδέσμου χ. Heliod. ap. Orib. 48.50.3: receptacle, c. gen., χ. ἡ ψυχὴ ἢ θεῶν ἢ δαιμόνων Porph. Marc. 21, cf. 19; χόριον τὸ χ. τοῦ ἐμβρύου Gal. 19.454.