sowiaskim
Sowiaskim is a form in Polish grammar rather than a standalone place or concept. It represents the instrumental or locative singular form of adjectives that are themselves derived from a proper noun or place name with the stem -s- and the suffix -ski, such as sowiaski or sowiński. In serifs of language, it is used to describe association, origin, or relation to the noun that accompanies it.
In practice, sowiaskim appears in sentences where the adjective modifies a masculine or neuter noun in the
Usage notes: sowiaskim is not a standalone noun. It is a grammatical form used to describe affiliation
See also: Polish adjectives, -ski toponyms, Polish grammar cases, Polish onomastics.