umieszczony
Umieszczony is a Polish past participle of the verb umieścić, meaning placed or located. It functions as an adjective or participial modifier and describes something that has been placed somewhere, included in a collection, or positioned within a system. It can appear in passive constructions or as an attribute, for example: "Artykuł został umieszczony na stronie internetowej" or "umieszczony w spisie."
Morphology and usage are tied to gender and number. The participle agrees with the noun it modifies
In terms of meaning, umieszczony often conveys that an item has already been positioned, inserted, or registered
See also: umieścić (to place/insert, the perfective verb from which umieszczony is derived); umieszczać (imperfective counterpart).