Arabic

ḍiḥḥ- - the sun (Lane 1770)

Tentatively compared in Kogan 2015: 446.

PS
*ṣḥw/*ṣ̂ḥw - to shine, to be bright (CDG 149, Appleyard 1977:39, Kogan 2015: 446)
Gez. ṣ̂aḥāy, Tna. ṣäḥay, Amh. ṭay, Eža č̣et (CDG 149) derive from this root