Arukh HaShulchan, Orach Chaim 318:26-31

Sugya Map

• Issue: The definition of Tochein (grinding), one of the Avot Melacha of Shabbat 73a, specifically regarding the threshold of "culinary preparation" (Tikkun Ochel) versus the prohibition of Tochein.
• Nafka Minah: Does the prohibition apply to items that are soft, already edible, or cooked? Does the shinui (change in method) negate the melacha when performed by hand?
• Primary Sources: Shabbat 74b (lo tichan), Shulchan Aruch, Orach Chaim 318:1, Arukh HaShulchan, Orach Chaim 318:26-31.

Text Snapshot

The Arukh HaShulchan (R. Yechiel Michel Epstein) approaches the mishnah of Tochein with a systematic eye toward pesikah that bridges the Rishonim.

• Snapshot: Arukh HaShulchan, Orach Chaim 318:26 states: "Everything that is not a Gidulei Karka (growth from the ground) is not subject to the prohibition of Tochein."
• Leshon Nuance: Note the use of "דבר שאינו גידולי קרקע." The Arukh HaShulchan pivots here from the Rambam’s strict inclusion of all substances to a more restrictive reading of the Yerushalmi and Rashi, asserting that Tochein is inherently linked to the processing of agricultural raw materials. When he writes "ואין בזה משום טוחן," he is narrowing the scope of the melacha to its Av (archetype).

Readings

The Rambam’s Scope

The Rambam (Hilchot Shabbat 8:1) famously argues that Tochein applies even to substances that are not Gidulei Karka, such as grinding salt or spices. The Arukh HaShulchan in paragraph 28 attempts to reconcile this, suggesting that while the Rambam appears broad, the consensus of the Poskim follows the Rosh and Rashba who maintain that the melacha is defined by the Tikkun (preparation) of growth-based items. The chiddush here is the Arukh HaShulchan’s insistence that even if the Rambam is technically correct, the minhag of the world operates on the principle of Gidulei Karka.

The Ritva and the "Shinui"

In paragraph 30, the Arukh HaShulchan addresses the Ritva’s perspective on Tochein by hand versus by tool (keli). He notes: "כל שטוחן ביד – אין בו משום טוחן." This is a critical chiddush. The Arukh HaShulchan posits that the melacha of Tochein requires the use of a tool designed for grinding. If one breaks down food by hand, it lacks the ma'aseh melacha required to violate the Issur d'Oraita. He leans on the Mishnah Berurah (though preceding it in style) to argue that the prohibition is fundamentally about the keli, not the result. The Lomdus here is to distinguish between Melachat Machshevet—which requires an instrument—and mere manual labor, which is categorized as derech achila (the manner of eating) rather than derech tikkun (the manner of manufacturing).

Friction

The Kushya: The Paradox of "Tikkun"

The strongest kushya against the Arukh HaShulchan arises from the Rashba regarding Tochein of cooked foods. If the essence of Tochein is Tikkun Ochel, why does the Gemara (Shabbat 74b) imply that Tochein is only prohibited for raw items? If I grind a cooked potato, I am certainly "fixing" it for consumption. Why is this permitted?

The Terutz

The Arukh HaShulchan (in 318:27) answers this by invoking the principle of Ein Tochein Achar Tochein (there is no grinding after grinding) and Ein Tochein B’Ochel (there is no grinding for food that is already fit for consumption). The terutz is structural: Tochein is a melacha of "creation" of a substance in a state ready for use. Once a substance has been cooked, it has already undergone a Tikkun. Any subsequent grinding is not the creation of the keli of the food, but merely a change in the guf (body) of an already edible item. Therefore, Tochein is exclusively an act of Binyan (building) the food from its raw, unusable state.

Intertext

• SA 318:1: The Shulchan Aruch posits the prohibition as absolute regarding items that grow from the earth. The Arukh HaShulchan acts as a parshanut layer, softening the mechaber by introducing the keli requirement.
• Mishnah Berurah 318:45: The Chafetz Chaim essentially mirrors the Arukh HaShulchan regarding the hand-grinding exception, citing the Magen Avraham. Both emphasize that the melacha is contingent upon the Tikkun of the keli.
• Responsa: Referencing Teshuvot Chatam Sofer (Orach Chaim 74), which discusses grinding medications—a case that often serves as the "litmus test" for the Arukh HaShulchan’s Gidulei Karka distinction. The Chatam Sofer often pushes back, noting that "medicine" is not food, yet the melacha of Tochein may still apply midrabanan to prevent the melacha of refuah (healing).

Psak/Practice

In contemporary Halacha, the Arukh HaShulchan provides the crucial heker (boundary) for the kitchen.

1. Manual Labor: Crushing crackers or cookies by hand immediately before consumption is permissible, provided it is done in a shinui (not with a dedicated grinding tool).
2. Cooked Items: There is no Tochein in cooked items (e.g., mashing a cooked banana or potato) because the Tikkun was achieved via the fire (Bishul).
3. Meta-Psak: The Arukh HaShulchan teaches us that Melachot are not abstract chemical transformations; they are defined by the normative human experience of labor. If it feels like "preparing to eat," it is not "grinding to manufacture."

Takeaway

Tochein is not the act of making things smaller; it is the act of making a substance usable through mechanical means. If it’s already cooked, or if you’re doing it with your fingers, you haven’t entered the domain of the melacha.