Jerusalem Talmud Nedarim 7:6

משנה: הַנּוֹדֵר מִן הָעִיר מוּתָּר לִיכָּנֵס לִתְחוּמָהּ שֶׁלָּעִיר וְאָסוּר לִיכָּנֵס לְעִיבּוּרָהּ. אֲבָל הַנּוֹדֵר מִן הַבַּיִת אָסוּר מִן הָאֲגַף וְלִפְנִים. MISHNAH: One who vows not to use a town is permitted to enter its domain⁵³The domain of a city is a rectangular area whose boundaries are 2000 cubits (one mile) from the last house in Northern, Southern, Eastern, and Western directions. A town dweller is permitted to walk in this domain on the Sabbath. Cf. Soṭah 5:4. but forbidden to enter its suburbs⁵⁴A house is defined as suburban if it is outside the city wall but connected to the wall by a row of houses where no two houses are more than 70 cubits apart. This also implies that the person making the vow may not approach a suburban house closer than 70 cubits.. But one who vows not to use a house is forbidden inwards from the doorpost⁵⁵While a house opening onto a common courtyard has the 4 cubits in front of its door as its proper domain which no other dweller of the courtyard may use to deposit his wares, the maker of the vow is not excluded from stepping on that domain..

הלכה: הַנּוֹדֵר מִן הָעִיר כול׳. וּמְנַיִין שֶׁעִיבּוּרָהּ שֶׁלָּעִיר כָּעִיר. כְּתִיב וַיְהִי בִּהְיוֹת יְהוֹשֻׁעַ בִּירִיחוֹ. וְכִי בִירִיחוֹ הָיָה. כְּתִיב וִירִיחוֹ סוּגֶרֶת וּמְסוּגֶּרֶת וְאַתְּ אֲמַר אָכֵין. אָמַר רִבִּי יוּדָן בַּר שָׁלוֹם. בְּעִיבּוּרָהּ הָיָה. רִבִּי אָבוּן בְּשֵׁם רִבִי אָחָא. הֲוָה יְרִיחוֹ. HALAKHAH: “One who vows not to use a town,” etc. From where that the suburbs of a town are like the town? It is written⁵⁶Joshua.5.13">Jos. 5:13; this is written before the description of the conquest of Jericho. In the Nedarim.56b">Babli, 56b, the argument is in the name of R. Joḥanan. Since for the Sages, the biblical meaning of a word has precedence over the meaning in the vernacular, one tries to have a biblical reference for the Sages’ opinion., “it happened when Joshua was in Jericho.” How could he have been in Jericho? Is it not written that⁵⁷Joshua.6.1">Jos. 6:1: “Jericho was closed and besieged because of the Children of Israel; no one left and no one entered.” “Jericho was closed and besieged,” and you say so? Rebbi Judan bar Shalom said, he was in a suburb. Rebbi Abun in the name of Rebbi Aḥa: It happened in Jericho⁵⁸The argument does not prove anything; nobody can be sure that the editor of the book of Joshua follows a chronological order; cf. Sotah 8:3:12" href="/Jerusalem_Talmud_Sotah.8.3.12">Soṭa 8, Note 127..

רִבִּי מָנָא בָעֵי. לֵית הָדָא פְלִיגָא עַל רִבִּי יוֹחָנָן. דְּרִבִּי יוֹחָנָן אָמַר. הִילְכוּ בִנְדָרִים אַחַר לְשׁוֹן בְּנֵי אָדָם. לֵית אוֹרְחֵיהּ דְּבַר נַשָּׁא מֵיחְמֵי חַבְרֵיהּ בְּפוּמָא בָּעֵי מֵימַר. בְּטִיבֵּרִיָּה חַמִּתֵיהּ. Rebbi Mana asked, does this not disagree with Rebbi Joḥanan, since Rebbi Joḥanan said, in matters of vows they follow the vernacular⁵⁹Even the Sages should not be interested in the biblical acceptation of a word if it is a matter of interpretation of a vow.? Is it not the way of a person who sees another one outside the gate to say, I saw him in Tiberias⁶⁰The common acceptation of the word is identical with the biblical.?