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In the Bet Yosef on Siman 248 in Orah Hayim, he quotes Rabbenu Yeruham בחי"ח. What does this stand for, and where can I find it?
The Beit Yosef there is referring to חלק י״ח, section 18, of Rabbeinu Yerocham's discussion of the laws of Shabbat in his Sefer Toledot Adam veChavah, Adam, Netiv 12. Thus, בחי״ח stands for בחלק י״ח.