päättelyketju (Finnish) comes from Finnish päättely, from Finnish päätellä, from Finnish päättää, from Finnish pää, from Proto-Finnic pää, from Proto-Uralic päŋe — head.
päättelyketju (Finnish): chain of deduction
Definitions
chain of deduction
Ancestry of “päättelyketju”, step by step
päättelyketju traces back through two separate lines of ancestry.