Where does “Itä-Suomi” come from?

Itä-Suomi (Finnish) comes from Finnish itä, from Proto-Finnic itä, from Proto-Uralic itä- — to appear.

Itä-Suomi (Finnish): Eastern Finland geographical and administrative area that consists of the eastern parts of Finland, commonly understood to include the regions of

Definitions

  1. Eastern Finland geographical and administrative area that consists of the eastern parts of Finland, commonly understood to include the regions of

Ancestry of “Itä-Suomi”, step by step

Itä-Suomi traces back through two separate lines of ancestry.

via Finnish itä

StepLanguageWordMeaning
1Finnishitäeast; east, eastern; East, the Orient
2Proto-Finnicitäeast
3Proto-Uralicitä-to appear

via Finnish suomi

StepLanguageWordMeaning
1FinnishsuomiThe Finnish language; Third-person singular...
2Proto-Finnicsoomiperson from Southwest Finland
Every word from Proto-Uralic itä-Every word from Proto-Finnic itäEvery word from Finnish itä