[1][2][3] It is related to the word for Saturn in several old languages, including Kaimanu[4] in Sumerian, Kajamānu[5][6] in Akkadian, Kewwān in Syriac,[7] and "Kewan" (kywʾn')[8] in Middle Persian.
Kayvan is distinct from the similar Persian word Kayhan, meaning "universe", also used as a masculine given name.
As a result, in Persian poetry, “Kayvan” usually connotes physical elevation or exalted status.
This last association appears not to affect contemporary Persian-speaking parents' choice of names for their sons.
Khaghani, writing in the 12th century, complains: While referring to Saturn's status, Masud Sa'd Salman contrasts old and young and good and bad luck: Putting together another combination, Sa'di compliments his beautiful and possibly tall beloved.