obiektem
Obiektem is the instrumental singular form of the Polish noun obiekt, which means object or entity. As a grammatical form, obiektem is used where the instrumental case is required, typically to indicate the role of the noun in relation to a verb or a preposition. In practice, obiektem appears most often in fixed expressions and common phrases such as obiektem krytyki (the object of criticism), obiektem badań (the object of study), and obiektem zainteresowania (the object of interest). These constructions describe how something is treated or regarded within a particular context.
Etymology and usage context: obiekt, from which obiektem is derived, is a loanword in Polish, with roots
Grammatical notes: The instrumental case contrasts with other cases of obiekt, such as the nominative obiekt
In summary, obiektem is a common instrumental form of obiekt used to denote the object’s role, especially