Proto-Indo-European *kʷekʷlom

→ Czech kolo (inherited)

→ Old Church Slavonic коло (mention)

→ Macedonian коло (derived)

→ Romanian caleașcă (derived)

→ Russian колесо (derived)

→ Serbo-Croatian kolo (inherited)

→ Serbo-Croatian коло (derived)

→ Slovene kolo (inherited)

→ Ukrainian колесо (derived)

→ Ukrainian коло (mention)