Not sure I can throw too much light on this, Pistol.

[www.amazon.co.uk] Hieroglyphics: The Writings of Ancient Egypt (1996), Maria Carmelo Betro: 214, has:

(Pyramid character) Determinative in mr, pyramid, and in the names of cities near them.

(Nothing about ascending ... )

See also here - [yramid_(mr_hieroglyph" rel="nofollow">commons.wikimedia.org]); and here - [www.egyptologyforum.org]

Hermione
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