Estonian saun

← English stack (cognate)

← Finnish sauna (cognate)

← Proto-Finnic *sakna (inherited)

← Proto-Germanic *stakkaz (derived)

← Proto-Germanic *sāpnaz (derived)

← Livonian sōna (cognate)

← Old Norse stakkr (cognate)

← Livvi saunu (cognate)

← Northern Sami suovdnji (cognate)

← Swedish stake (cognate)

→ Finnish sauna (cognate)