eiyleisestä
Eiyleisestä is a term with no established meaning in standard Finnish dictionaries or widely cited linguistic works. In everyday Finnish, the negation of yleinen (general, common) is typically formed with the prefix epä-, not ei-; thus the standard adjective would be epäyleinen and its inflected forms, such as epäyleisestä, are the expected way to express “from a non-general” or “of a non-general” in phrases.
The most plausible interpretation of eiyleisestä, if encountered, is that it is a misspelling or a nonstandard
Eiyleisestä is not recognized as a defined concept in Finnish linguistics. If seen in a text, it