Stronami
Stronami is the instrumental plural form of the Polish noun strona, which can mean either a side of an object or a page of a document. In Polish grammar, instrumental plural is used for nouns when they function as the means, manner, or accompaniment of an action, or when required by certain verbs and prepositions in that case. As a result, stronami appears primarily in contexts that require the instrumental case in plural.
In everyday language, the form stronami is most recognizable in fixed expressions such as obydwoma stronami,
The word strona itself carries several related senses, including page, side, and aspect, and its plural instrumental
See also: Polish grammar, Polish nouns, Polish cases, instrumental case.