sarjakehitelmä (Finnish) comes from Finnish kehitelmä, from Finnish kehittää, from Finnish kehitä, from Finnish -itä, from Proto-Finnic -it'ak — Forms verbs.
sarjakehitelmä (Finnish): series expansion
Definitions
series expansion
Ancestry of “sarjakehitelmä”, step by step
sarjakehitelmä traces back through two separate lines of ancestry.