Where does “juoksulanka” come from?

juoksulanka (Finnish) comes from Finnish lanka, from Proto-Finno-Ugric *lanka, from Proto-Germanic langô, from Proto-Germanic langaz, from Proto-Indo-European dlongʰos — long.

Ancestry of “juoksulanka”, step by step

juoksulanka traces back through two separate lines of ancestry.

via Finnish lanka

StepLanguageWordMeaning
1Finnishlankayarn; thread; wire
2Proto-Finno-Ugric*lanka—
3Proto-Germaniclangô—
4Proto-Germaniclangazlong
5Proto-Indo-Europeandlongʰoslong

via Finnish juoksu

StepLanguageWordMeaning
1Finnishjuoksurun; running; plate, wall plate
2Finnishjuostato run; to flow
3Proto-Finnicjoostakto run, to flow
4Proto-Uralicjokse-—
Every word from Proto-Indo-European dlongʰos →Every word from Proto-Germanic langaz →Every word from Proto-Germanic langô →