[Avodah] Correction to V'Achar Kayn or V'Achar Kach

[Micha Berger via Avodah]

On Tue, Dec 27, 2016 at 01:52:01PM +0000, Professor L. Levine via Avodah wrote:
: The Artscroll siddur has V'Achar Kayn.  Also,  both the Roedelheim Siddur and Seligman Baer's Siddur, both considered to be authoritative,  have V'Achar Kayn.

However, both Roedelheim and R' Baer are authoritative sources of German
nusach. There is no reason to assume East European traditional nusach
was necessarily identical.

Sepharadim have "ve'achar kakh", as do Chassidim (including Chabad's
"Nusach Ari") and the Gra.

However, the original appears to be "achar kein" -- as per Seder R'
Amaram Gaon, Machzor Vitri, and the Avudraham.

To my mind, this is the usual machloqes about praying in Tanakhi vs
Mishnaic Hebrew, and less linked to which was original.

Shemu'el I 10:5 "achar kein"

Mishnah Berakhos 2:2, Pesachim 10:2, etc... use "achar kakh".

Tir'u baTov!
-Micha

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