Where does “niinisäie” come from?

niinisäie (Finnish) comes from Finnish säie, from Finnish sää, from Proto-Finnic sää, from Proto-Finno-Ugric säŋe — air.

Ancestry of “niinisäie”, step by step

niinisäie traces back through two separate lines of ancestry.

via Finnish säie

StepLanguageWordMeaning
1Finnishsäiethread, strand, fibre, filament; thread; string
2Finnishsääweather; you; fiber, thread, strand
3Proto-Finnicsääweather
4Proto-Finno-Ugricsäŋeair

via Finnish niini

StepLanguageWordMeaning
1Finnishniinibast; Short for niinipuu
2Proto-Finnicniinibast
3Proto-Finno-Permicńijne—
Every word from Proto-Finno-Ugric säŋe →Every word from Proto-Finnic sää →Every word from Finnish sää →
niinisäie — Etymology, Origin & Word History | Etymology Explorer