cyma
From LSJ
Ἡ δὲ Σελήνη γενομένη μὲν ἐκ τῆς ἀντανακλάσεως τοῦ ἡλιακοῦ φωτὸς → the moon having been made from the reflection of sunlight (Vettius Valens, Anthologies 1.14)
Latin > English (Lewis & Short)
cȳma: (cūma), ătis, n., and ae, f., = κῦμα>,
I a young sprout of a cabbage; neutr., Lucil. ap. Non. p. 195, 5; Col. 10, 129; fem., id. 11, 3, 24; 12, 54, 3; Plin. 19, 8, 41, § 137 sq.; 20, 9, 35, § 90 al.—
II A hollow sphere, spherical layer, stratum: quarum (naturarum) circa ... centron, aquae primum, aërisque sequens, tertium ignis cyma commemorant, Mart. Cap. 8, § 814 Kopp ad loc.; cf. the context.