Where does “rasitusluokka” come from?

rasitusluokka (Finnish) comes from Finnish rasitus, from Finnish rasittaa, from Finnish -ittaa, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

rasitusluokka (Finnish): exposure class of concrete

Definitions

exposure class of concrete

Ancestry of “rasitusluokka”, step by step

rasitusluokka traces back through two separate lines of ancestry.

via Finnish rasitus

Step	Language	Word	Meaning
1	Finnish	rasitus	strain; stress
2	Finnish	rasittaa	to strain, wear out
3	Finnish	-ittaa	Variant of -ttaa used with some bisyllabic stems
4	Finnish	-ttää	Front vowel variant of -ttaa
5	Proto-Finnic	-ttadak	Creates causative verbs from regular verbs,...
6	Proto-Uralic	-kta-	—

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-Uralic -kta- →Every word from Finnish -ttää →Every word from Finnish -ittaa →