Jerusalem Talmud Pesachim 3:4

משנה: רַבָּן גַּמְלִיאֵל אוֹמֵר שָׁלֹשׁ נָשִׁים לָשׁוֹת כְּאַחַת אוֹפוֹת בְּתַנּוּר אֶחָד זוֹ אַחַר זוֹ. וַחֲכָמִים אוֹמְרִים שָׁלֹשׁ נָשִׁים עוֹסְקוֹת בַּבָּצֵק אַחַת לָשָׁה וְאַחַת עוֹרֶכֶת וְאַחַת אוֹפָה. רִבִּי עֲקִיבָה אוֹמֵר לֹא כָל־הַנָּשִׁים וְלֹא כָל־הָעֵצִים וְלֹא כָל־הַתַּנּוּרִים שָׁוִין. זֶה הַכְּלָל תִּפַּח תִּלְטוֹשׁ בְּצוֹנֵין׃ MISHNAH: Rabban Gamliel says, three women knead dough simultaneously and bake in one oven one after the other, but the Sages say, three women are occupied with dough; one is kneading, one is forming, and one is baking¹⁰²This determines the time from the start of making dough to baking when no fermenting is occurring. The details are described in the Halakhah.. Rebbi Aqiba says, neither all women nor all wood nor all ovens are equal. This is the principle, she shall beat it and wet it with cold water^100,Pesachim 3:4:1" href="/Jerusalem_Talmud_Pesachim.3.4.1">Mishnah 3:4. Vocalization and translation follow Maimonides in his Mishnah Commentary (cf. Note 17 in the edition by R. Y. Qafeh). Dough is not fermenting only as long as it is worked on with cold water.¹⁰³The preceding paragraph makes it clear that this sentence is accepted by everybody; it is not part of R. Aqiba's dissent..

הלכה: תַּנֵּי. הָרִאשׁוֹנָה כְדֵי שֶׁיְּהֵא כְדֵי הַסִּיקָה. וְהַשְּׁנִייָה כְדֵי שְׁנֵי הַסִּיקִין וַאֲפִייָה אַחַת. וְהַשְּׁלִישִׁית כְּדֵי שְׁלֹשָׁה הַסִּיקִין וּשְׁתֵּי אֲפִיּוֹת. אִם עָשָׂת כִּכַּר רִאשׁוֹן אַחֲרוֹן כְדֵי שְׁלֹשָׁה הַסִּיקִין וְשָׁלֹשׁ אֲפִיּוֹת. HALAKHAH: It was stated: The first one waits for heating, the second for two heatings and one baking, and the third for three heatings and two bakings. If she made one of the first loaves last, for three heatings and three bakings¹⁰⁴This follows Rabban Gamliel. If three women finish kneading the dough and forming the loaves all at the same time and the first to use the oven bakes only part of it the first time and for the remainder she waits until after the other two are finished with theirs, she will use the oven again after three baking runs. The ovens are small and have to be refuelled for each run. This is purely as explanation of the Mishnah since the last sentence of the Mishnah explains, in the words of Maimonides, “know that all the time the hand is working on the dough it does not start to ferment even if this takes an entire day”..

תַּנֵּי. גָּֽמְרָה זֶה לִישָׁתָהּ וְגָֽמְרָה זֶה קִיטוּפָהּ וְגָֽמְרָה זֶה הַסִּיקָהּ. הָרִאשׁוֹנָה שׁוֹהָא כְדֵי הַסִּיקָה. וְהַשְּׁנִייָה כְדֵי הַסִּיקָה וַאֲפִיַית חֲבֵירָתָהּ. וְהַשְּׁלִישִׁית כְּדֵי שְׁנֵי הַסִּיקִין וַאֲפִייָה אַחַת. אִם עָשָׂת כִּכַּר רִאשׁוֹן אַחֲרוֹן כְּדֵי שְׁנֵי הַסִּיקִין וְשְׁתֵּי אֲפִיּוֹת. It was stated: If one finished kneading, one finished forming, and one finished baking. The first one waits for heating, the second for her colleague’s heating and baking, and the third for two heatings and one baking. If she made one of the first loaves last, for two heatings and two bakings¹⁰⁵This follows the Sages, for whom one starts baking while the second one is still forming loaves and the third kneading dough. Since the first baking run is made while the second and third batches are not ready, it is not counted..

רַבָּן גַּמְלִיאֵל אוֹמֵר שָׁלֹשׁ נָשִׁים לָשׁוֹת כְּאַחַת וְאוֹפוֹת בְּתַנּוּר אֶחָד זוֹ אַחַר זוֹ. וַחֲכָמִים אוֹמְרִים שָׁלֹשׁ נָשִׁים עֲסֻיקוֹת בַּבָּצֵק. אַחַת לָשָׁה וְאַחַת עוֹרֶכֶת וְאַחַת אוֹפָה. תַּנֵּי רִבִּי הוֹשַׁעְיָה. וְאַחֶרֶת בָּאָה וְלָשָׁה תַחְתֵּיהֶן. אִית תַּנָּיֵי תַנֵּי. בַּחִיטִּין שְׁלֹשֶׁת קַבִּין. וּבַשְּׂעוֹרִין אַרְבָּעַת קַבִּין. אִית תַּנָּיֵי תַנֵּי. בַּחִטִּין אַרְבָּעַת קַבִּין. וּבַשְּׂעוֹרִין שְׁלֹשֶׁת קַבִּין. מָאן דְּאָמַר. בַּחִטִּין שְׁלֹשֶׁת קַבִּין. בְּשֶׁיֵּשׁ בָּהֶן שַׁמְנוּנִית. בַּשְּׂעוֹרִין אַרְבָּעַת קַבִּין. בְּשֶׁאֵין בָּהֶן שַׁמְנוּנִית. מָאן דְּאָמַר. בַּחִטִּין אַרְבָּעַת קַבִּין. דְּאיִנּוּן חַטְייָן. וּבַשְּׂעוֹרִין שְׁלֹשֶׁת קַבִּין. דְּאִינִּין רְטִישִׁין. “Rabban Gamliel says, three women knead dough simultaneously and bake in one oven one after the other, but the Sages say, three women are occupied with dough; one is kneading, one is forming, and one is baking.” Rebbi Hoshaia stated: And another one comes and kneads in their stead¹⁰⁶To work on the dough during the waiting period as required.. There are Tannaim who state: Three qab wheat or four qab barley¹⁰⁷These are maximal quantities permitted to be worked on in one batch without fear of fermentation. Cf. Pesachim.48a">Babli 48a.. There are Tannaim who state: Four qab wheat or three qab barley. He who said, three qab wheat, if they have fat, or four qab barley, if they have no fat. He who said, four qab wheat, if they are soft, or three qab barley, if they are hard¹⁰⁸“Fat” grain produces flour which easily ferments; soft grain needs little water and therefore is not prone to quick fermentation, hard grain has to be soaked.
The translation of רטש as “hard” presumes a metathesis and reads the word as טרש._.