Where does “arinakääpä” come from?

arinakääpä (Finnish) comes from Finnish arina, from Finnish äristä, from Finnish -ista — Forms frequentative verbs.

arinakääpä (Finnish): willow bracket, fire sponge, Phellinus igniarius

Definitions

  1. willow bracket, fire sponge, Phellinus igniarius

Ancestry of “arinakääpä”, step by step

arinakääpä traces back through two separate lines of ancestry.

via Finnish arina

StepLanguageWordMeaning
1Finnisharinagrate, grating
2FinnishäristäTo snarl
3Finnish-istaForms frequentative verbs

via Finnish kääpä

StepLanguageWordMeaning
1Finnishkääpäpolypore, bracket fungus, shelf fungus; conk
Every word from Finnish -ista →Every word from Finnish äristä →Every word from Finnish arina →