Indo-European etymology : Query result

Proto-IE: *k'awǝ-

Meaning: hollow

Old Indian: śū́na- n. `emptiness, lack', śūnyá- `empty, void'

Avestan: sūra- m. `Loch, lacuna'

Other Iranian: NPers sūrāx `Loch'

Armenian: sun, sor `Loch', soil `Höhle'

Old Greek: *kówo-s: pl. kóoi̯ `cavity in the earth' Hsch.; kôi̯lo-, aeol. and att. kóilo- 'hohl, augehöhlt, geräumig, tief', kō̂o-s m. `Höhle, Gefängnis', kǘar n. `Nadelöhr, Ohröffnung'

Slavic: *sūjь(jь)

Baltic: *čā̂w-ā̂ (2) f. (? *čeuw-ā̂)

Latin: cavus `hohl, nach innen gewölbt, konkav', cavum, -ī n. `Höhlung'; Rom *covus: Port covo `hohl' etc.; caverna f. `Höhle, Loch, Grotte; Himmelsgewölbe'

Celtic: *kou̯io- > MIr cūa `hohl', cūass `Höhle', Bret kéo `Grotte'

Albanian: ɵeɫɛ `tief'

Russ. meaning: полый

References: WP I 365 f