powstaego
Powstaego is not a widely recognized standalone term in English-language sources. In most contexts it is the ASCII rendering of the Polish form powstałego, the genitive singular form of the past participle powstały, derived from the verb powstać meaning “to arise,” “to form,” or “to originate.” As a grammatical form, powstałego functions as a participial adjective within a noun phrase and does not stand as a separate word with its own meaning.
Etymology and grammar: powstałego comes from powstać and its participial form powstały. The ending -łego marks
Usage: powstałego typically appears in Polish sentences to indicate that something has come into being or originated,
Note: If you intended a proper noun, a place, or a specific work named Powstaego, more context