"Nadir" is the point below you - the point opposite to the zenith.
Nadir comes for the arabic nazir, meaning opposite. Nadir is the direction directly below a point. It is in a way the opposite to Zenith. The word is also used in the meaning of the lowest point.
I'm not sure if you mean nadir or not but nadir is the term used to describe the race relations between blacks and whites in between Reconstruction and the Civil Rights Movement.
nadar
Nadir was Erik's friend from Persia.
Nadir Nadirov was born in 1932.
Moyshe Nadir was born in 1885.
Moyshe Nadir died in 1943.
Mehmet Nadir died in 1927.
Mehmet Nadir was born in 1856.
Nadir Khashimov was born in 1990.
Nadir Lamyaghri was born in 1976.