[2] The word literally means "from Ṣa‘īd" (i.e. Upper Egypt), and can also refer to a form of music originating there,[3] or to the dialect spoken by Sa‘idis.

The Arabic word Ṣa‘īd, as a geographical term, means "highland, upland, plateau".

[6] The settling of family disputes and blood feuds by firearms (often antiquated, such as Mauser rifle) since at least the 1940s is a long cultural trend in the community, especially in the Hamradoum and Nag Hammadi areas.

[9] A different study which focused on 265 unrelated individuals inhabiting five governorates in Upper Egypt using similar methodology, found that based on the frequency of similar molecular data, no differences were observed in comparison with the general population from Cairo in any of the 9 loci compared, or with Coptic Christians from Cairo.

However, highly significant differences were observed in comparisons with Berbers from Siwa and with a population sample from Adaima.