The old egyptian word for pyramid is mer
m=instrument, place
ar=ascension

Greek means wheaten cake, which if you think about it the pyramids were supposedly originally covered in smoothed white limestone which could reflect light so bright almost blinding, kind of like teeth

If the benben symbolized the rays of the sun it is like a transformation from immaterial to material, but also the ascension where the king mounts up on the giant stairs.

Kind of sounding like my dream, lol

Atum is the old sun of the evening
Ra is noon
Khepri or scarab beetle morning sun

atum was the oldest creator god in primeval form within the primeval waters of the abyss. Root of tm means 'complete, finish, not-be'. A chthonic god with virtually everything existing is a part of his 'flesh' having evolved 'millions of ka's'

I wonder if ka's is stacked layers since I keep seeing many bent arms together, did so this morning.

Shu and Tefnut come from Atum sneezing and it is normal to dab or sneeze into the bent elbow(ka)