Arukh HaShulchan, Orach Chaim 253:26-32

Sugya Map

• Issue: The Halachot of Shehiya – leaving food on a fire before Shabbat to continue cooking. The gezeirah lest one stir coals to hasten cooking on Shabbat.
• Nafka Mina: Distinctions between various oven types (kirah, kupach, tanur) and fuels, determining when shehiya is permitted or prohibited without additional preparations (gerufah u'ketumah).
• Primary Sources: Masechet Shabbat 36b-38a; Rambam, Hilchot Shabbat 3:4-5; Tur and Shulchan Aruch, Orach Chaim 253; Arukh HaShulchan, Orach Chaim 253:26-32.

Text Snapshot

The Aruch HaShulchan initiates his discussion of shehiya with a profound methodological statement:

"הואיל ויש מחלוקת בפוסקים בענין זה, ומנהג בישול שלהם היה שונה ממנהג שלנו, צריך לבאר תחלה אופן בישול שלהם" "Since there is a dispute among the authorities regarding this matter, and their manner of cooking was different from ours, it is necessary first to explain their method of cooking."^1 He then meticulously describes the kirah, kupach, and tanur: "הקירה הייתה נעשית לשני קדירות... התנור ג"כ לקדירה א' אלא שהוא רחב מלמטה וצר מלמעלה..."^2 This detailed metzius (reality/context) forms the bedrock of his halachic analysis.

Readings

Arukh HaShulchan's Chiddush

The Aruch HaShulchan's chiddush here is his explicit, front-and-center assertion that understanding the metzius (physical reality, technology, and customs) of Talmudic times is not merely an interesting aside, but an indispensable prerequisite for resolving halachic disputes and applying the sugya today. He foregrounds the metzius as a hermeneutical key.

Rashi

The Aruch HaShulchan himself references Rashi (Bava Batra 20a s.v. "u'v'kirah") for descriptions of the kirah and tanur^3. Rashi's peirush often includes such contextual details, demonstrating that Rishonim already recognized the importance of understanding the physical world of the Gemara to properly interpret its halacha.

Friction

Kushya

The Aruch HaShulchan notes a difficulty with the Tur (Choshen Mishpat 155)^4, who cites the Rashbam that the kirah opened from the side. This clashes with a common understanding of the Yerushalmi (Kirah 1:1) describing the kirah "like a dovecote" (כיונה), often implying a top opening and parallel sides.^5

Terutz

The Aruch HaShulchan resolves this by reinterpreting the Yerushalmi's "כיונה" to refer to its equal top and bottom dimensions, distinguishing it from the tanur which is wider below. This allows for a kirah with a side opening, reconciling the various opinions.^6

Intertext

Rambam, in Hilchot Shabbat 3:4-5^7, discusses the rules of shehiya and distinguishes between kirah and tanur, but presents these rules without the Aruch HaShulchan's extensive introductory metzius exposition. The Aruch HaShulchan's detailed preamble highlights his unique methodological emphasis on historical context.

Psak/Practice

The Aruch HaShulchan's deep dive into the metzius of ovens and fuels directly informs the practical halachot of shehiya. The severity of the gezeirah (lest one stir coals) varies based on the heat retention and accessibility of the coals in different oven types, leading to distinctions like gerufah u'ketumah (removed or covered coals) or she'asuy l'chach (designed for this purpose) being required for certain setups but not others.^8

Takeaway

The Aruch HaShulchan models a lomdus approach where understanding the concrete, historical reality of the sugya is not merely interesting trivia, but an indispensable hermeneutic key to unlocking halachic meaning and application.

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^1. Arukh HaShulchan, Orach Chaim 253:2. ^2. Arukh HaShulchan, Orach Chaim 253:2. ^3. Arukh HaShulchan, Orach Chaim 253:2; Rashi, Bava Batra 20a s.v. "וּבְקִירָה". ^4. Arukh HaShulchan, Orach Chaim 253:2; Tur, Choshen Mishpat 155 (beginning). ^5. Arukh HaShulchan, Orach Chaim 253:2; Nimukei Yosef, Bava Batra 20a (quoting Yerushalmi). ^6. Arukh HaShulchan, Orach Chaim 253:2. ^7. Rambam, Hilchot Shabbat 3:4-5. ^8. See Shulchan Aruch, Orach Chaim 253:1-2.