Where does “koiraspontti” come from?

koiraspontti (Finnish) comes from Finnish pontti, from Swedish spont — slat, tongue part of a board or plank which fits into a groove.

Ancestry of “koiraspontti”, step by step

koiraspontti traces back through two separate lines of ancestry.

via Finnish pontti

StepLanguageWordMeaning
1Finnishponttitongue and groove
2Swedishspontslat, tongue part of a board or plank which fits into a groove

via Finnish koiras

StepLanguageWordMeaning
1Finnishkoirasmale male animal
Every word from Swedish spontEvery word from Finnish pontti