Proto-Slavic *pěsъkъ

→ Belarusian пясок (inherited)

→ Bulgarian пясък (inherited)

→ Czech písek (inherited)

→ Kashubian piôsk (inherited)

→ Old Church Slavonic пѣсъкъ (inherited)

→ Lower Sorbian pěsk (inherited)

→ Upper Sorbian pěsk (inherited)

→ Macedonian песок (inherited)

→ Polish piasek (inherited)

→ Polabian p’osăk (inherited)

→ Romanian Peșteana (derived)

→ Romanian Pesceana (derived)

→ Russian песок (inherited)

→ Serbo-Croatian pijesak (inherited)

→ Serbo-Croatian пијесак (inherited)

→ Serbo-Croatian pesak (inherited)

→ Serbo-Croatian песак (inherited)

→ Slovak piesok (inherited)

→ Slovene pesek (inherited)

→ Ukrainian пісок (inherited)

→ Old Czech piesek (inherited)