Where does “mellakoitsija” come from?

mellakoitsija (Finnish) comes from Finnish mellakoida, from Finnish mellakka, from Finnish -kkä, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “mellakoitsija”, step by step

StepLanguageWordMeaning
1FinnishmellakoidaTo riot
2Finnishmellakkariot, tumult
3Finnish-kkäFront vowel variant of -kka
4Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
5Finnish-uusForms nouns from adjectives, expressing a quality
6Proto-Finnic-uc-ness, -hood
Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →