From Old Persian [script needed] (raučah-, “day”), from Proto-Iranian [Term?] (compare Avestan 𐬭𐬀𐬊𐬗𐬀𐬵 (raočah, “light, day”)), from Proto-Indo-Iranian [Term?] (compare Sanskrit रोचते (rocate, “to shine, to be bright”)), from Proto-Indo-European *lewk- (“bright, to shine, to see”) (compare English light).
𐭩𐭥𐭬 • (rōz [YWM])
- lwcyk' (rōzīg, “daily bread, sustenance”)
- Persian: روز (rōz)