Where does “Suomio” come from?

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

Ancestry of “Suomio”, step by step

StepLanguageWordMeaning
1FinnishsuomiThe Finnish language; Third-person singular...
2Proto-Finnicsoomiperson from Southwest Finland
Every word from Proto-Finnic soomi →Every word from Finnish suomi →
Suomio — Etymology, Origin & Word History | Etymology Explorer