rꜥ (“Ra”) + ḏd (“stability, lastingness”) + .f (“his”), thus ‘Ra is his lastingness’. Possibly, if the name is written with honorific transposition, it could also be ḏd (“endures”) + .f (“he”) + rꜥ (“Ra”), thus ‘He endures, (namely) Ra’; however, both the Greek rendering of the name and the meaning support the former interpretation.
m
- A throne name notably borne by Djedefre, a pharaoh of the Fourth Dynasty
Alternative hieroglyphic writings of rꜥ-ḏd.f
- “Ḏd⸗f-rꜥw (lemma ID 450220)”, in Thesaurus Linguae Aegyptiae[1], Corpus issue 17, Web app version 2.01 edition, Tonio Sebastian Richter & Daniel A. Werning by order of the Berlin-Brandenburgische Akademie der Wissenschaften and Hans-Werner Fischer-Elfert & Peter Dils by order of the Sächsische Akademie der Wissenschaften zu Leipzig, 2004–15 December 2022
- Leprohon, Ronald (2013) Denise Doxey, editor, The Great Name: Ancient Egyptian Royal Titulary, Atlanta: Society of Biblical Literature, →ISBN, page 36
- von Beckerath, Jürgen (1984) Handbuch der ägyptischen Königsnamen, München: Deutscher Kunstverlag, →ISBN, pages 52, 179