Where does “rikkoutuma” come from?

rikkoutuma (Finnish) comes from Finnish rikkoutua, from Finnish -utua, from Finnish -ua, from Proto-Finnic -üdäk — Forms mainly passive or anticausative verbs.

Ancestry of “rikkoutuma”, step by step

StepLanguageWordMeaning
1Finnishrikkoutuato break, break up, fall apart
2Finnish-utua—
3Finnish-uaForms stative or inchoative intransitive verbs...
4Proto-Finnic-üdäkForms mainly passive or anticausative verbs
Every word from Proto-Finnic -üdäk →Every word from Finnish -ua →Every word from Finnish -utua →