From Wiktionary, the free dictionary
Borrowed from Yiddish פּסקענען (paskenen).
pasken (third-person singular simple present paskens, present participle paskening, simple past and past participle paskened)
- (Judaism) To rule, decide, opine.
1997 May 12, Jay Lapidus, “Unique Medieval Jewish Philosophers”, in soc.culture.jewish[1] (Usenet):When the Rambam paskins one way and the majority paskins another way, the dispute is over practice and customs.