This is Chabon's way of trying to evade the fact that he, like most Americans, is monolingual. He has no access to other languages. But what of Yiddish? /6
It's a very small dybbuk and not very scary. It only knows some 20 words. Dybbuk, maven, latke, and various words for genitalia (h/t Cynthia).
Ladies and gentlemen, I give you diversity. /7
He should talk to Prof. C. Fonrobert of Stanford about eruvin. Like him, she lives in the Bay Area. She can teach him a lot. /16