Where does “mustahapero” come from?

mustahapero (Finnish) comes from Finnish hapero, from Finnish hapera, from Finnish haprea, from Finnish hauras, from Proto-Finnic hapras — brittle, fragile, weak.

mustahapero (Finnish): blackening russula, Russula nigricans

Definitions

  1. blackening russula, Russula nigricans

Ancestry of “mustahapero”, step by step

mustahapero traces back through two separate lines of ancestry.

via Finnish hapero

StepLanguageWordMeaning
1Finnishhaperobrittlegill, russula; brittle
2Finnishhaperabrittle
3Finnishhaprea—
4Finnishhaurasbrittle, fragile, frail, friable, crumbly,...
5Proto-Finnichaprasbrittle, fragile, weak

via Finnish musta

StepLanguageWordMeaning
1Finnishmustablack; black horse; Elative singular form of...
2Finnish-ntääFront vowel variant of -ntaa
Every word from Proto-Finnic hapras →Every word from Finnish hauras →Every word from Finnish haprea →