Where does “luokitin” come from?

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

luokitin (Finnish): classifier

Definitions

classifier

Ancestry of “luokitin”, step by step

Step	Language	Word	Meaning
1	Finnish	luokittaa	to classify, to divide into classes
2	Finnish	luokka	class; class, social class; grade
3	Finnish	luokki	shaft bow
4	Proto-Slavic	lǫkъ	bow
5	Proto-Balto-Slavic	*lankás	bow
6	Proto-Indo-European	lenk-	to bend

Every word from Proto-Indo-European lenk- →Every word from Proto-Balto-Slavic *lankás →Every word from Proto-Slavic lǫkъ →