Proto-Slavic *jugъ

→ Bulgarian юг (inherited)

→ Czech jih (inherited)

→ Old Church Slavonic югъ (inherited)

→ Macedonian југ (inherited)

→ Russian юг (derived)

→ Russian ужин (mention)

→ Serbo-Croatian jug (inherited)

→ Serbo-Croatian југ (inherited)

→ Slovak juh (inherited)

→ Slovene jug (inherited)

→ Slovene južina (mention)