Where does “suistoalue” come from?

suistoalue (Finnish) comes from Finnish suisto, from Ingrian suu, from Proto-Finnic süü, from Proto-Uralic śuwe — mouth.

suistoalue (Finnish): estuary, estuary region

Definitions

  1. estuary, estuary region

Ancestry of “suistoalue”, step by step

suistoalue traces back through two separate lines of ancestry.

via Finnish suisto

StepLanguageWordMeaning
1FinnishsuistoA river delta
2Ingriansuumouth
3Proto-Finnicsüüthread, fibre; annual ring; reason, cause
4Proto-Uralicśuwemouth

via Finnish alue

StepLanguageWordMeaning
1Finnishaluearea; region; oblast
2Proto-Austronesianqaluʀto flow
3Proto-Austronesian-luʀ—
Every word from Proto-Uralic śuwe →Every word from Proto-Finnic süü →Every word from Ingrian suu →