zatrzyman
Zatrzyman is not a standard Polish word in contemporary usage. In most contexts it appears as a nonstandard form, a typographical error, or more rarely as a proper noun in fiction or in a localized text. The form puzzles Polish readers because the commonly used past participle of the verb zatrzymać (to detain, to stop) is zatrzymany in masculine singular, with related forms such as zatrzymana, zatrzymane, and so on.
In standard Polish, the verb zatrzymać yields the past passive participle zatrzymany, meaning someone or something
If encountered, zatrzyman is more likely to be a mistaken rendering of zatrzymany or, less commonly, a