This is the 9476th most frequent Polish word.
westminsterskim
"Westminsterskim" is the adjectival form of "Westminster," referring to something related to Westminster (e.g., the area, system, or institutions associated with Westminster in London, England).
The word 'westminsterskim' describes an adjective in the instrumental case relating to 'Westminster', referring to a particular style associated with Westminster.
Obrady prowadzono w stylu westminsterskim.
The deliberations were conducted in the Westminster style.
Here, 'westminsterskim' is used as an instrumental case adjective describing 'muzeum', indicating the characteristic architectural style of 'Westminster'.
Po raz pierwszy odwiedziłem muzeum w stylu westminsterskim.
I visited a museum for the first time in the Westminster style.
In this context, 'westminsterskim' functions as an instrumental case adjective referring to 'system', indicating that the system's style or structure is inspired by Westminster.