Where does “nuorisokirja” come from?

nuorisokirja (Finnish) comes from Finnish nuoriso, from Finnish nuori, from Proto-Finnic noori — young.

Ancestry of “nuorisokirja”, step by step

nuorisokirja traces back through two separate lines of ancestry.

via Finnish nuoriso

StepLanguageWordMeaning
1Finnishnuorisoyouth
2Finnishnuoriyoung; a young person; youth
3Proto-Finnicnooriyoung

via Finnish kirja

StepLanguageWordMeaning
1Finnishkirjabook; quire
2Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Finnic noori →Every word from Finnish nuori →Every word from Finnish nuoriso →
nuorisokirja — Etymology, Origin & Word History | Etymology Explorer