Proto-IE: *k(')alub-, -ph-
Meaning: cover, shell
Hittite: kaluppa- c. 'Unterkleid' (Tischler 471)
Old Greek: kálüps, -ü̆bos m. (Soph.) = kalǘbǟ; kalǘbǟ 'hut, cabin; bridal bower; sleeping-tent (on the roof of house); cover, screen'; kalǘptō, cf. aor. pass. kalüphẹ̄́s CPR 239.5 (III AD) 'to cover; to hide, conce al'; kălü̆phǟ́ 'submerged land' CPR 32.5 (III AD); kélǖphos n. `sheat, case; pod, shell; encasing membrane; hollow (of the eye)'
Russ. meaning: оболочка, скорлупа etc.
