From the same as sadeh and 'uwr; spreader of light; Shedejur, an Israelite -- Shedeur.
see HEBREW sadeh
see HEBREW 'uwr
H7707. Shedeur
שְׁדֵיאוּר proper name, masculine in Reuben (read probably ׳שׁ אוּר, שַׁדַּי is flame, see NöZMG xv (1860), 809 Neh Kg. 45 GrayProp. N. 169, 197); — only in בֶּןשֿׁ ׳אֱלִיצוּר Numbers 1:5; 2:10; 7:30, 35; 10:18 (all P); Σεδιονρ.