Where does “jokirapu” come from?

jokirapu (Finnish) comes from Finnish rapu, from Swedish krabba, from Old Swedish krabba, from Old Norse krabbi, from Old English crabba, from Proto-West Germanic krabbō, from Proto-Germanic krabbô, from Proto-Germanic krabbōną — to turn, bend, twist, wind; to tie, bind...

jokirapu (Finnish): A European crayfish, noble crayfish,...

Definitions

  1. A European crayfish, noble crayfish,...

Ancestry of “jokirapu”, step by step

jokirapu traces back through two separate lines of ancestry.

via Finnish rapu

StepLanguageWordMeaning
1FinnishrapuEuropean crayfish, noble crayfish, broad-fingered...
2Swedishkrabbaa crab
3Old Swedishkrabba
4Old Norsekrabbi
5Old Englishcrabbacrab; crayfish
6Proto-West Germanickrabbōcrab
7Proto-Germanickrabbôcrab
8Proto-Germanickrabbōnąto scratch, scrape
9Proto-Indo-Europeangerbʰ-to carve
10Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...

via Finnish joki

StepLanguageWordMeaning
1Finnishjokiriver
2Finnishsokeusblindness
3Finnishsokeablind
4Proto-Finnicsokedablind
Every word from Proto-Indo-European ger-Every word from Proto-Indo-European gerbʰ-Every word from Proto-Germanic krabbōną