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Midrash Tanchuma מדרש תנחומא

The people's midrash on the Torah — parashah-by-parashah homilies that open with a halakhic question and land in aggadah. Its style seeded a whole genre (the later Rabbah volumes on Shemot, Bamidbar, and Devarim are built from it), and its dating is famously a stack of layers, not a year.

I. Who

Hebrew
מדרש תנחומא
Also known as
Tanchuma-Yelamdenu
Era
amoraim

II. When

Traditional
aggadah in the name of R' Tanchuma bar Abba, amora of Eretz Yisrael (4th–5th c. CE)
Academic
Yelamdenu-type core c. 5th–6th c. CE in Eretz Yisrael; redaction layers extending into the geonic era
Duration
≈400 years
Precision
disputed

IV. What

Language
Hebrew and Galilean Aramaic
Redaction
Anonymous and layered. Named for R' Tanchuma bar Abba, the amora whose petichtot pervade it — a name-association, not an authorship statement. Survives in two recensions: the printed Tanchuma (Constantinople 1522) and the manuscript recension published by Buber (1885), which overlap heavily but diverge in Bereishit and Shemot.
Structure
Homilies on the whole Torah (B0001) arranged by parashah, many opening with the signature halakhic formula "Yelamdenu Rabbenu" ("let our master teach us") that names the wider Tanchuma-Yelamdenu genre — law's doorway into the sermon.

V. How do we know

ClaimEvidenceConfidenceSources
The work is a parashah-cycle homiletic midrash on the entire Torah, marked by "Yelamdenu Rabbenu" halakhic openings and petichtot in the name of R' Tanchuma bar Abba, from whom it takes its title.
The name is an association with R' Tanchuma's material, not a claim of authorship; the atlas tracks no person entity for him and records no author edge.
rabbinic tradition ★★★★☆
The dating is famously layered: scholarship places a Yelamdenu-type core in 5th–6th century Eretz Yisrael with redactional layers extending into the geonic era, and treats Buber's claim that his manuscript recension was the ancient original as refuted — both recensions descend from the same layered genre. reconstruction ★★★☆☆
The Tanchuma-Yelamdenu genre radiated outward: Shemot Rabbah II, Bamidbar Rabbah II, Devarim Rabbah, and much of Pesikta Rabbati are built of Tanchuma-type material — making this corpus the single most influential template of medieval aggadic compilation. reconstruction ★★★☆☆
  • M. Bregman, The Tanhuma-Yelammedenu Literature (2003); Stemberger, Introduction to the Talmud and Midrash