Where does “oireilu” come from?

oireilu (Finnish) comes from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

oireilu (Finnish): being a symptom (of)

Definitions

  1. being a symptom (of)

Ancestry of “oireilu”, step by step

StepLanguageWordMeaning
1Finnish-uForms nouns from verbs. Most common with "e"- and...
2Proto-Finnic-uForms nouns from adjectives, nouns
Every word from Proto-Finnic -uEvery word from Finnish -u