Estonian süva

← Eastern Mari тӱнӧ (cognate)

← Finnish syvä (cognate)

← Proto-Finnic *cüvä (inherited)

← Proto-Germanic *deupaz (derived)

← Livonian tõvā (cognate)

← Northern Sami davvi (cognate)

→ Estonian süvameri (affix)

→ Estonian sügav (mention)

→ Finnish syvä (cognate)

→ Ingrian syvä (cognate)