astioissaan
Astioissaan is a Finnish grammatical form meaning "in his/her/its dishes." It is not a standalone concept but a productive construction formed from the noun astia (dishware) in its plural form astiat, plus the inessive case ending -ssa/-ssä to indicate location, and the third-person possessive suffix -nsa/-nsä. The result, astioissaan, conveys both the location of something and ownership of the dishes, translating roughly to "in their dishes" or "in his/her/its dishes."
Usage: The form is used in everyday Finnish to describe objects or contents that are inside or
Linguistic notes: Astioissaan illustrates how Finnish encodes spatial and possessive information through suffixal morphology. Similar constructions
See also: Finnish grammar, inessive case, possessive suffixes.