Proto-Slavic *xvostъ

→ Belarusian хвост (inherited)

→ Czech chvost (inherited)

→ Old Church Slavonic хвостъ (inherited)

→ Finnish vasta (derived)

→ Polish chwost (inherited)

→ Russian хвост (inherited)

→ Russian хвощ (mention)

→ Slovak chvost (inherited)

→ Ukrainian хвіст (inherited)

→ Old Czech chvost (inherited)