Where does “Kaakkois-Suomi” come from?

Kaakkois-Suomi (Finnish) comes from Finnish suomi, from Proto-Finnic soomi — person from Southwest Finland.

Kaakkois-Suomi (Finnish): southeast Finland

Definitions

  1. southeast Finland

Ancestry of “Kaakkois-Suomi”, step by step

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

via Finnish suomi

StepLanguageWordMeaning
1FinnishsuomiThe Finnish language; Third-person singular...
2Proto-Finnicsoomiperson from Southwest Finland

via Finnish kaakkoinen

StepLanguageWordMeaning
1Finnishkaakkoinensoutheastern
2Finnishinen—
Every word from Proto-Finnic soomi →Every word from Finnish suomi →