Ziv, Ziva, Zivit

Ziv is a male Hebrew name which comes directly from the Hebrew word זִיו (ziv) meaning, “brightness, radiance, splendor. In the Bible, this was the name of second month of the Jewish Calendar  (1 Kings 6:1, 6:37), which in modern times is known as Iyar.

Ziva and Zivit are its feminine forms, though Ziv has also been occasionally used on girls.

Alternately, Ziva is can be a latinate form of the Slavic Živa

Sources

• https://en.wikipedia.org/wiki/Iyar
• https://www.doitinhebrew.com