Where does “pisto-oja” come from?

pisto-oja (Finnish) comes from Finnish pisto, from Finnish pistää, from Proto-Finnic pistädäk, from Proto-Finno-Permic pistä-.

pisto-oja (Finnish): spur ditch, offset ditch; a drainage ditch that is a branch of another ditch, often one that extends to wetlands of some kind

Definitions

  1. spur ditch, offset ditch; a drainage ditch that is a branch of another ditch, often one that extends to wetlands of some kind

Ancestry of “pisto-oja”, step by step

pisto-oja traces back through two separate lines of ancestry.

via Finnish pisto

StepLanguageWordMeaning
1Finnishpistosting, bite; prick, puncture, hole made by...
2Finnishpistääto poke, thrust; to stick, prick, stab, puncture;...
3Proto-Finnicpistädäkto poke, to thrust, to stab, to sting; to put, to...
4Proto-Finno-Permicpistä-—

via Finnish oja

StepLanguageWordMeaning
1Finnishojaditch, trench; small natural brook
2Proto-Slavicojethill, shaft
3Proto-Indo-Europeanh₂oyHsos—
Every word from Proto-Finno-Permic pistä- →Every word from Proto-Finnic pistädäk →Every word from Finnish pistää →