rozmanitjími
The word "rozmanitjími" is a Czech grammatical form. Specifically, it is the instrumental plural of the adjective "rozmanitý". The base adjective "rozmanitý" translates to "diverse", "varied", or "multifarious" in English. Therefore, "rozmanitjími" indicates a plural noun or pronoun that is being described as diverse or varied, and it is used in a context where the instrumental case is required.
The instrumental case in Czech is used for various grammatical functions, including indicating the instrument or