Where does “ḏd-mdw” come from?

ḏd-mdw (Egyptian) comes from Egyptian ḏd, from Egyptian kꜣ, from Egyptian ḥr, from Proto-Afro-Asiatic x̣al.

ḏd-mdw (Egyptian): a recitation; used as a title introducing the...

Definitions

ḏd-mdw traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Egyptian	ḏd	to say, to speak; to talk, to speak; Alternative...
2	Egyptian	kꜣ	ka; goodwill - especially of the king;...
3	Egyptian	ḥr	face; surface; upon, on
4	Proto-Afro-Asiatic	x̣al	—

Step	Language	Word	Meaning
1	Egyptian	mḏw	ten
2	Egyptian	mdwj	to speak (+ n or ḫr or ḫft: to; + ḥr: about; + ḥnꜥ or m-dj or jrm: with (someone); + m: with (the mouth))