Jaromírem
Jaromírem is the instrumental singular form of the Czech masculine given name Jaromír. In Czech grammar, personal names decline for case, and Jaromírem appears when the name is used in the instrumental case, typically after prepositions that require that case or in certain syntactic constructions. For example: Mluvil s Jaromírem.
The form fits within the standard Czech declension of Jaromír: nominative Jaromír; genitive Jaromíra; dative Jaromírovi;
Etymology-wise, the given name Jaromír is of Slavic origin, usually interpreted as a compound of elements meaning
Usage notes: Jaromírem should be used only when the sentence requires the instrumental case. In normal dialog,