Nadir is an uncommon yet captivating given name of Persian origin, derived from the Arabic word 'nadhir', which means 'counselor' or 'adviser'. It's also interesting to note that in astronomy, nadir refers to the point on the celestial sphere directly opposite the zenith. The name Nadir has gained some recognition through famous bearers such as French actor Nadine Labaki and Iranian-American film director, screenwriter, and producer, Nadir Moyahid, among others.
"Nadir has seen a notable increase in popularity over the decades, with a significant spike occurring around the late 1990s to early 2000s. However, it has since stabilized and shown some fluctuations in recent years."