Words that come from Proto-Balto-Slavic (s)kerso-

10 words across 4 languages descend from Proto-Balto-Slavic (s)kerso- — including через, kroz, čersъ, кроз, skroz, крошто, krošto, čerzъ.

See the etymology of (s)kerso- itself →

Serbo-Croatian (5)

Proto-Slavic (3)

Russian (1)

Old East Slavic (1)