[100a - 48 lines; 100b - 46 lines]
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We recommend using the textual changes suggested by the Bach and the marginal notes of the Vilna Shas. This section is devoted to any other important corrections that Acharonim have pointed out in the Gemara, Rashi and Tosfos.
[1] Gemara 100b [line 12]:
"Tashmish Al Yedei ha'Dechak Lo Shmei Tashmish" תשמיש על ידי הדחק לא שמיה תשמיש
(Source: Shabbos 8a)
[2] Gemara 100b [line 42]:
"v'Ha Mursha Is Lah" והא מורשא אית לה
This is the Girsa of Rashi. The Girsa of Tosfos, Dikdukei Sofrim #3 and the Oxford manuscript is "v'Dilma Mursha Is Lah" ודלמא מורשא אית לה
[3] Rashi 100b DH Heicha d'Havah Rachbo Arba Amos ד"ה היכא דהוה רחבו ארבע אמות:
It seems that these words in the Dibur ha'Maschil should read Arba'ah Tefachim ארבעה טפחים
(This is the way is appears in Rashi Eruvin 78b DH v'Rachav Arba'ah, and this Girsa is supported by the word "Arba'ah" of our Sugya, which is in the masculine gender, referring to Tefachim. -RASHASH)
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1)[line 9]מחצלתMACHATZELES- a mat
2)[line 9]וזרק לתוכה מחצלת חייבV'ZARAK L'SOCHAH MACHATZELES, CHAYAV- if the mat falls on the bottom of the ditch, the person who threw it is Chayav. (See Insights for an explanation of why the mat does not take away the ditch's status of Reshus ha'Yachid by lessening its depth.)
3)[line 18]איסרטיאISRATYA- a wide street
4)[line 25]דבילה שמינהDEVEILAH SHEMENAH- a thick mass of pressed figs (which sticks to the wall)
5)[line 28]חוקקין להשליםCHOKEKIN L'HASHLIM
(a)Chokekin l'Hashlim is a Halachic device by which we may view a small space to be the correct size, when needed. Rebbi Meir rules that Chokekin l'Hashlim may be used if there is sufficient volume in the surrounding walls to provide the extra size. The Gemara (Yoma 11b) records the argument between Rebbi Meir and Rabanan as to whether we say Chokekin l'Hashlim with regard to an archway whose opening is too small to require a Mezuzah. They argue in the case where the walls of the archway are thick enough such that had they been excavated, there would be a proper-size doorway.
(b)The Rishonim on Daf 7b disagree as to which case the Gemara is discussing. The words "b'Chor Kol she'Hu" seem to suggest that the hole may be infinitesimally small, and this appears to be Rashi's opinion. Tosfos 7b DH v'Halchah, citing Ri, claims that it is small on the side of Reshus ha'Rabim, but it extends through the wall and is four Tefachim wide on the side of Reshus ha'Yachid. Rebbi Meir then says that the law of Chokekin l'Hashlim gives the hole the status of a hole that is four by four Tefachim. (See Tosfos ibid. and Tosfos Yoma 11b DH ha'Kol.)
6a)[line 32]תלTEL- an elevation (hill)
b)[line 33]המתלקט עשרהHA'MISLAKET ASARAH- that gradually rises ten Tefachim
c)[line 33]מתוך ארבעMI'TOCH ARBA- within a distance of four Amos
7)[line 34]שוה לתוכוSHAVEH L'SOCHO- it is level on its own plane (lit. on its inside)
8)[line 35]נעשה מדרון לרשות הרביםNA'ASEH MADRON LI'RESHUS HA'RABIM- it slopes down at its entrance to Reshus ha'Rabim
9)[line 36]לחי ... קורהLECHI … KORAH
(a)Although according to Torah law a Mavoy (an alley that is walled on three sides which opens into a public thoroughfare and has courtyards that open into it) is a Reshus ha'Yachid, the Chachamim prohibited carrying objects in a Mavoy a distance of four Amos or more. This decree was enacted because a Mavoy is in some ways similar to a Reshus ha'Rabim, since many families make use of a single Mavoy.
(b)To permit carrying within a Mavoy, a Lechi or Korah (as described below) must be placed at the entrance to the Mavoy. The Lechi or Korah serves to set apart the Mavoy from Reshus ha'Rabim. In addition, the courtyards which open into the Mavoy must make a Shitufei Mavo'os before Shabbos begins in order to permit carrying within the Mavoy (see Background to Shabbos 6:11b).
(c)A Lechi is a pole, plank, or other object that is at least ten Tefachim high, which is stood vertically along one of the walls at the open end of the Mavoy. A Lechi is viewed as though it is a Mechitzah (an entire fourth wall across the open end of the Mavoy), setting the Mavoy apart from the adjacent Reshus ha'Rabim and making it a full-fledged Reshus ha'Yachid. Others maintain that a Lechi serves not as a Mechitzah but only as a Heker (sign) to the people who live in the Mavoy, signaling the end of the Reshus ha'Yachid of the Mavoy and reminding them not to transfer objects from the Mavoy to the adjacent Reshus ha'Rabim. (Eruvin 5a, 15a)
(d)A Korah is a beam, one or more Tefachim thick, which is rested horizontally across the top of the open end of the Mavoy. The Korah, too, serves as a Mechitzah or as a Heker, as described above (c). (See Insights to Eruvin 2a, and Eruvin Graphic #1.)
10)[line 44]ואף על פי שחזרה והוציאתוV'AF AL PI SHE'CHAZRAH V'HOTZI'ATU- even if the wind eventually blew the object back out of 4 Amos — after it rested for a second within 4 Amos
11)[line 45]אחזתו הרוח משהוACHAZTO HA'RU'ACH MASHEHU- if the wind held the object still in mid-flight for a moment
100b----------------------------------------100b
12)[line 2]מתגלגל קאמרת?MISGALGEL KA'AMRAT?- The case of the Mishnah involves an object that is being blown around in the wind, and not an object that is simply falling under the force of gravity (Rashi). Alternatively, in the Mishnah the object is rolling on the floor and may never come to rest, therefore it is not considered a Hanachah, however an object thrown in the air will eventually fall to the ground, at which point it will have been Nach (relative to flying in the air). Therefore it should be a Hanachah even before it actually reaches the ground (Tosfos 100a DH Achazto).
13)[line 5]רקק מיםREKAK MAYIM- a puddle of water
14)[line 11]הילוך על ידי הדחקHILUCH AL YEDEI HA'DECHAK- walking [in a place where one normally does not walk] when it becomes necessary
15)[line 15]עבידי אינשי דמסגיAVIDEI INSHEI D'MASGEI- people normally walk [into the water]
16)[line 16]לאקורי נפשייהוL'AKUREI NAFSHAIHU- to cool themselves off
17)[line 17]מיטנפיMITANFEI- they get dirty
18)[line 20]אקופי מקפי ליהAKUFEI MAKFEI LEI- they go around it
19)[line 24]אגודא דגמלאA'GUDA D'GAMLA- on a loose plank of a bridge
20)[line 25]רבים בוקעין בוRABIM BOK'IN BO- many people walk on it
21)[line 29]מוקפותMUKAFOS- they are next to each other
22)[line 31]זיזZIZ- a stick of wood
23)[line 35]מארעא משחינןME'AR'A MASHCHINAN- we measure from the ocean floor
24)[line 35]מקום פטורMAKOM PETUR
Mekomos Petur are those places and objects that do not fulfill any of the conditions that characterize the other three Reshuyos (domains) of Shabbos: Reshus ha'Yachid, Reshus ha'Rabim, Karmelis (see Introduction to Maseches Shabbos). Transferring from a Makom Petur to one of the other three Reshuyos is permitted, as long as it is not used to circumvent the prohibition of Hotza'ah, e.g. transferring from Reshus ha'Yachid to Reshus ha'Rabim through a Makom Petur. Some examples of Makom Petur are (1) a doorstep with an area less than four by four Tefachim, (2) a pole in Reshus ha'Rabim with an area less than four by four Tefachim and a height not greater than ten Tefachim, and (3) the air above Reshus ha'Rabim or a Karmelis (i.e. above a height of ten Tefachim). See Charts #1-2.
25)[line 38]מיא ארעא סמיכתאMAYA AR'A SEMICHTA- the water has the status of the solid (thick) ground of a Karmelis
26)[line 42]מורשאMURSHA- a projecting bow
27)[line 42]גשושי אזלי קמהGASHOSHEI AZLEI KAMAH- sailors holding sounding poles in advance of the ship
28)[line 45]מאיסי ליהME'ISEI LEI- the water which he will draw up from there in the future will be loathsome
29)[line 45]אדפנא דספינהA'DAFNA D'SEFINAH- on the outer wall of the boat