Derasha on Bamidbar 33:38 · TT unit 3

Parashas Masei · Passuk 33:38 · TT note 3

The Complete Passuk

וַיַּ֩עַל֩ אַהֲרֹ֨ן הַכֹּהֵ֜ן אֶל־הֹ֥ר הָהָ֛ר עַל־פִּ֥י יְהֹוָ֖ה וַיָּ֣מׇת שָׁ֑ם בִּשְׁנַ֣ת הָֽאַרְבָּעִ֗ים לְצֵ֤את בְּנֵֽי־יִשְׂרָאֵל֙ מֵאֶ֣רֶץ מִצְרַ֔יִם בַּחֹ֥דֶשׁ הַחֲמִישִׁ֖י בְּאֶחָ֥ד לַחֹֽדֶשׁ׃

Chabad.org — English translation + Rashi

Source Citation

Torah Temimah points to Yerushalmi Rosh Hashana 1:1 (TT note on “בִּשְׁנַת הָאַרְבָּעִים לְצֵאת”).

Core Text of Chazal

Core Text — Yerushalmi Rosh Hashana
בִּשְׁנַת הָאַרְבָּעִים לְצֵאת — מַגִּיד שֶׁמּוֹנִין הַשָּׁנִים לִיצִיאַת מִצְרָיִם.

English: “In the fortieth year of the going out” — this teaches that one counts the years from the Exodus from Egypt.

Type of Learning

Custom — scriptural dating formula as a standing calendar of the Exodus.

What Is Learned

The Torah’s own chronology uses years from the Exodus; Aaron’s death date is fixed in that count.