Proto-Baltic: *čī̂w-a-/*čī̃w-a- adj., *čī̃w-ia-/*čī̂w-ia- c., *čē̂-m-a- / *čē̃-m-a- adj.
Meaning: grey, white
Lithuanian: šī́va- `weiss, scimmelfarbig', šī̃va- `id.', šī́vi-s, šī̃vi-s `Schimmel'; šḗma-, šē̃ma- `asch-, blau-, hellgrau (vom Vieh)', šḗmē `eine Kuh von blaugrauer Farbe'
Old Prussian: sywan `grau' V. 461