רב אחא בר יעקב Rav Acha bar Yaakov
Amora of Babylonia · 3rd generation (c. 290–320 CE) — named 165 times across 33 tractates of the Bavli.
Rav Acha bar Yaakov, of the third Babylonian generation, taught at Pafunya. His questions are of the kind that force an authority to state a principle exactly, and the later Amoraim answer him at length.
He is the sage of the story of the demon that haunted the study house of Abaye, which he spent a night confronting and drove out — a passage the Talmud tells to explain why Abaye had directed that no one lodge there alone. He is named some hundred and sixty-five times across thirty-three tractates, heaviest in Pesachim, Chullin and Yoma.
Of Pafunya; the demon of the study-house is his story.
The gematria of the name
Computed from the consonantal letters of רב אחא בר יעקב by the same engine that runs every search. This is the value of a NAME — no word of the Talmud is valued anywhere in this app.
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Talmud Bavli, Wikisource edition, via Sefaria — CC BY-SA 4.0. A mention is an occurrence of a name-form the roster lists, found by longest match — not a scholarly attribution census; the index says what that means in full.