grzmotami
Grzmotami is the instrumental plural form of the Polish noun grzmot, which means thunder or a loud rumble. In Polish grammar, grzmot is masculine inanimate. Its nominative plural is grzmoty, while the instrumental plural is grzmotami. The form grzmotami is used when thunder is the instrument or means by which an action is performed, especially in literary or descriptive passages.
Usage and style: Grzmotami frequently appears in poetry and narrative prose to personify or dramatize a storm,
Relation and etymology: The word grzmot originates in native Polish, with cognates in other Slavic languages.