How do you write celeste in cuneiform witting?

They wrote it on a wet piece of thick clay that soon hardened.

A stick with a triangle/wedge on the end was used to make the shapes that were put into the clay tablets.

You can't. Most cuneiform was used for accounting purposes and it isn't an alphabet, so in any case, a name couldn't be transcribed.

You can't. That was not one of their words. Cuneiform is not an alphabet.

in ancient egypt its spelled uoy kcuf