wyjanienia
Wyjanienia is not a standard or widely attested term in Polish lexicons. In practice, it does not have a fixed definition in major dictionaries, and its meaning is not established in common usage. If encountered, it is most likely a typographical error or a nonce word rather than a recognized vocabulary item.
Possible interpretations depend on context. The form resembles misspellings or variants of two legitimate Polish words.
Orthography and spelling notes are pertinent: the sequence wyj- typically indicates a different standard word (wyjawienie)
Usage guidance: in formal Polish, use wyjawienia or wyjaśnienia depending on the intended sense. If wyjanienia