päälläkin
Päälläkin is a Finnish word that functions as an adverb or a postposition. Its primary meaning is "on top of," "on," or "over." As an adverb, it can indicate a position of being on a surface. For example, "Kirja on päälläkin" might mean "The book is on top too" or "The book is on the surface as well," implying the existence of other items or places.
When used as a postposition, päälläkin typically attaches to a noun or pronoun in the genitive case,