Words that come from Proto-Balto-Slavic keʔs-

52 words across 19 languages descend from Proto-Balto-Slavic keʔs- — including час, часъ, час, час, час, часы, čas, čas.

See the etymology of keʔs- itself →

Czech (16)

Polish (8)

Russian (6)

Serbo-Croatian (4)

Slovak (2)

Old Prussian (2)

Lower Sorbian (2)

Old East Slavic (1)

Bulgarian (1)

Macedonian (1)

Ukrainian (1)

Slovene (1)

Old Polish (1)

Aleut (1)

Belarusian (1)

Proto-Slavic (1)

Upper Sorbian (1)

Slovincian (1)

Old Church Slavonic (1)