Where does “mustuma” come from?

mustuma (Finnish) comes from Finnish mustua, from Finnish -ua, from Proto-Finnic -üdäk — Forms mainly passive or anticausative verbs.

mustuma (Finnish): blackened spot

Definitions

  1. blackened spot

Ancestry of “mustuma”, step by step

StepLanguageWordMeaning
1Finnishmustuato blacken
2Finnish-uaForms stative or inchoative intransitive verbs...
3Proto-Finnic-üdäkForms mainly passive or anticausative verbs
Every word from Proto-Finnic -üdäk →Every word from Finnish -ua →Every word from Finnish mustua →