Estonian tahk

← Finnish tahko (cognate)

← Proto-Finnic *tahko (inherited)

← Proto-Finnic *tahkokivi (mention)

← Komi-Zyrian тыш (cognate)

← Udmurt тӥш (cognate)

← Votic tahko (cognate)

← Votic tahkotšivi (cognate)

→ Finnish tahko (cognate)