Where does “kuvasanaristikko” come from?

kuvasanaristikko (Finnish) comes from Finnish sanaristikko, from Finnish sana, from Finnish luokka, from Finnish luokki, from Proto-Slavic lǫkъ, from Proto-Balto-Slavic *lankás, from Proto-Indo-European lenk- — to bend.

Ancestry of “kuvasanaristikko”, step by step

kuvasanaristikko traces back through two separate lines of ancestry.

via Finnish sanaristikko

StepLanguageWordMeaning
1Finnishsanaristikkocrossword
2Finnishsanaword; Word, Scripture; lesson
3Finnishluokkaclass; class, social class; grade
4Finnishluokkishaft bow
5Proto-Slaviclǫkъbow
6Proto-Balto-Slavic*lankásbow
7Proto-Indo-Europeanlenk-to bend

via Finnish kuva

StepLanguageWordMeaning
1Finnishkuvapicture; image; photograph, photo
2Proto-Germanicskuwwôreflection, mirror image; shadow
3Proto-Indo-European(s)ḱeh₃w-ō ~ (s)ḱuh₃-nésshadow, reflection
4Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European lenk-Every word from Proto-Balto-Slavic *lankásEvery word from Proto-Slavic lǫkъ