Where does “Saraniemi” come from?

Saraniemi (Finnish) comes from Finnish Niemi, from Finnish niemi, from Proto-Finnic neemi — cape, peninsula.

Ancestry of “Saraniemi”, step by step

Saraniemi traces back through two separate lines of ancestry.

via Finnish Niemi

StepLanguageWordMeaning
1FinnishNiemiAny of a number of small places in Finland
2Finnishniemicape, ness, headland, promontory, (small) peninsula form of coastal land jutting into a lake or sea
3Proto-Finnicneemicape, peninsula

via Finnish šara

StepLanguageWordMeaning
1Finnishšara
2Finnishsäristäto rattle, to creak; to crackle
Every word from Proto-Finnic neemiEvery word from Finnish niemiEvery word from Finnish Niemi