Where does “luokkasota” come from?

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

luokkasota (Finnish): class war, class warfare, class conflict

Definitions

class war, class warfare, class conflict

Ancestry of “luokkasota”, step by step

luokkasota traces back through two separate lines of ancestry.

via Finnish luokka

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

via Finnish sota

Step	Language	Word	Meaning
1	Finnish	sota	war; warfare; military, war-
2	Proto-Finnic	sota	war, conflict
3	Proto-Uralic	śoďa	war

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