Where does “kehityskulku” come from?

kehityskulku (Finnish) comes from Finnish kehitys, from Finnish kehittää, from Finnish kehitä, from Finnish -itä, from Proto-Finnic -it'ak — Forms verbs.

kehityskulku (Finnish): progression

Definitions

progression

Ancestry of “kehityskulku”, step by step

kehityskulku traces back through two separate lines of ancestry.

via Finnish kehitys

Step	Language	Word	Meaning
1	Finnish	kehitys	development, improvement, advancement, evolution
2	Finnish	kehittää	to unravel, unwind; to develop, advance, improve;...
3	Finnish	kehitä	—
4	Finnish	-itä	Front vowel variant of -ita
5	Proto-Finnic	-it'ak	Forms verbs

via Finnish kulku

Step	Language	Word	Meaning
1	Finnish	kulku	motion, journey; course, path; strike
2	Finnish	kulkea	To go, walk; to travel; To advance, proceed, make...
3	Proto-Finnic	kulkedak	to go; to travel
4	Proto-Uralic	kulke-	to go, to walk

Every word from Proto-Finnic -it'ak →Every word from Finnish -itä →Every word from Finnish kehitä →