Where does “piirijako” come from?

piirijako (Finnish) comes from Finnish jako, from Proto-Finnic jako, from Proto-Finnic -o, from Proto-Uralic -w.

piirijako (Finnish): districting the action or result of splitting into districts

Definitions

  1. districting the action or result of splitting into districts

Ancestry of “piirijako”, step by step

piirijako traces back through two separate lines of ancestry.

via Finnish jako

StepLanguageWordMeaning
1Finnishjakodivision, distribution, sharing, dealing; share,...
2Proto-Finnicjakoshare, part
3Proto-Finnic-oForms action/result nouns from verbs
4Proto-Uralic-w—

via Finnish piiri

StepLanguageWordMeaning
1Finnishpiiriring of people; administrative district, region;...
2Proto-Finnicpiiriline; border; ring, circle
3Proto-Uralicpirecircle
Every word from Proto-Uralic -w →Every word from Proto-Finnic -o →Every word from Proto-Finnic jako →
piirijako — Etymology, Origin & Word History | Etymology Explorer