Proto-Slavic *těsnъ

→ Belarusian цесны (inherited)

→ Czech těsný (inherited)

→ Lower Sorbian śěsny (inherited)

→ Macedonian тесен (inherited)

→ Polish ciasny (inherited)

→ Russian тесный (inherited)

→ Serbo-Croatian tijesan (inherited)

→ Serbo-Croatian тијесан (inherited)

→ Serbo-Croatian tesan (inherited)

→ Serbo-Croatian тесан (inherited)

→ Slovene tesen (inherited)

→ Ukrainian тісний (inherited)