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n kꜣ n

The introduction of the recepient of offerings with n kꜣ n becomes widespread since early 12th Dynasty. Yet, there are single attestations in the Old Kingdom and the phrase was occasionally used in the late First Intermediate Period and under the 11th Dynasty, for example in Asyut.

12th - 17th Dyn.
C. J. C. Bennett 1941a, 79; Spanel 1996, 767 n. 9; Zitman 2010, 1:117