Daily Rambam · Expert – Beit Midrash Analysis · On-Ramp

Mishneh Torah, Rest on the Tenth of Tishrei 3

On-RampExpert – Beit Midrash AnalysisJuly 1, 2026

Sugya Map

  • Core Issue: Defining the parameters of Inui (affliction) on Yom Kippur—specifically regarding washing (Rechitza), anointing (Sichah), wearing shoes (Ne’ilat HaSandar), and sexual intimacy.
  • Primary Sources: Yoma 77a-78b, Mishneh Torah, Rest on the Tenth of Tishrei 3, Jerusalem Talmud, Yoma 8:1.
  • Nafka Mina:
    • Whether the prohibitions are absolute or target "pleasure" (ta’anug).
    • The status of "mitzvah washing" (e.g., for prayer or hygiene) vs. "pleasure washing."
    • The tension between communal custom (minhag) and the legal obligation of Kavod Shabbat when Yom Kippur falls on the Sabbath.

Text Snapshot

The Rambam’s language in Mishneh Torah, Rest on the Tenth of Tishrei 3:1—“It is forbidden to wash on Yom Kippur, whether using hot or cold water”—is a psak that bypasses the distinction found in the Bavli regarding whether cold water is considered ta’anug (pleasure). By citing Proverbs 25:25, “Like cold water on a wearied soul,” he establishes that the inui is not merely about the heat of the bath but the refreshing nature of water itself. The nuance in “nor any individual limb” and the prohibition of even a “small finger” emphasizes a strict, prophylactic approach to the Rabbinic prohibition.

Readings

The Rashba’s Insight

The Rashba (in his Torat HaBayit) notes that the permission granted to the King and the Bride to wash their faces is the locus classicus for determining the nature of the prohibition. He argues that if the prohibition were de-oraita, such leniencies would be legally untenable. Consequently, he views the entire structure of the five inuyim (excluding eating/drinking) as derabbanan. The Rambam’s inclusion of these leniencies suggests he accepts this framework: the Sages instituted the inui, and they possess the legislative authority to carve out exceptions where the "pleasure" is subordinated to a higher social or ritual necessity (“Mלך ביופיו תחזנה עיניך”).

The Seder Mishnah’s Analysis

The Seder Mishnah performs a surgical analysis of the Rambam’s ruling on the King and the Bride. He challenges why only the face is permitted. His chiddush is that if the King or Bride could avoid being unseemly by wearing gloves (“בתי ידים”), they would be obligated to do so, as the leniency is strictly limited to the absolute minimum required to avoid tignut (ugliness). He uses this to suggest that even for royalty, the inui is not fully waived; it is only accommodated where strictly necessary.

Friction

The Kushya: A major tension exists between the Rambam’s ruling that one may wash if soiled with "filth or mud" (Mishneh Torah 3:3) and his insistence that "all those who are obligated to immerse themselves" (for purity) are prohibited in the present age (Mishneh Torah 3:5). If the goal of the prohibition is to avoid ta’anug, why does the halacha forbid ritual immersion—which is an act of mitzvah and certainly not ta’anug—simply because we are tamei met?

The Terutz: The Seder Mishnah explains that the prohibition on immersion is not because it is ta’anug, but because the Sages nullified the requirement of immersion for the tamei in our current state of impurity. Since the immersion serves no functional legal purpose (as we remain tamei regardless due to the lack of the Parah Adumah), it is classified as "unnecessary activity" on a holy day. It is therefore not a mitzvah-washing—it is a futile-washing. Thus, the Rambam maintains consistency: only washing that is either functionally necessary for health (soiled) or legally mandated for a specific, active mitzvah (like greeting a teacher) is permitted.

Intertext

  • I Kings 2:26: The Rambam roots the inui in the description of David’s affliction. The parallelism here is essential—the prohibition is not an arbitrary exercise in suffering but a mimicry of the state of a mourner or one in deep distress.
  • Shulchan Aruch, Orach Chayim 613:2: The SA reflects the Rambam’s caution regarding the shibta (spirit of impurity on hands). The intertextual link is the "hand-washing" debate: is the morning netilat yadayim a violation of Yom Kippur? The SA permits it by invoking the Rambam’s logic that cleanliness is distinct from ta’anug.

Psak/Practice

In contemporary practice, the psak follows the Rambam’s strictness: cold water is strictly forbidden. The "King and Bride" leniency is rarely applied in the modern context, with the Mishnah Berurah citing authorities who argue that in our times, such aesthetic concerns do not override the sanctity of the day. The core heuristic remains: Is the act a "refreshment" or a "necessity"? If it is a necessity (like a medical requirement), it is governed by the laws of Pikuach Nefesh, not the laws of Inui.

Takeaway

The prohibition of washing on Yom Kippur is a ritualized state of "un-refreshment." The Rambam teaches us that even when the halacha provides an opening for dignity (the King/Bride), it is a narrow gate, restricted by the overriding mandate of the day's Inui.