Where does “koululuokka” come from?

koululuokka (Finnish) comes from Finnish koulu, from Latin schola, from Ancient Greek σχολή, from Proto-Hellenic skʰolā́, from Proto-Indo-European sǵʰ-h₃-léh₂, from Proto-Indo-European seǵʰ- — to hold; to overpower.

koululuokka (Finnish): classroom, schoolroom

Definitions

classroom, schoolroom

Ancestry of “koululuokka”, step by step

koululuokka traces back through two separate lines of ancestry.

via Finnish koulu

Step	Language	Word	Meaning
1	Finnish	koulu	school
2	Latin	schola	Leisure time given to learning; schooltime,...
3	Ancient Greek	σχολή	leisure, free time; rest; that in which leisure...
4	Proto-Hellenic	skʰolā́	—
5	Proto-Indo-European	sǵʰ-h₃-léh₂	—
6	Proto-Indo-European	seǵʰ-	to hold; to overpower

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

Every word from Proto-Indo-European seǵʰ- →Every word from Proto-Indo-European sǵʰ-h₃-léh₂ →Every word from Proto-Hellenic skʰolā́ →