Bibhorr angle
From EverybodyWiki Bios & Wiki

Bibhorr kon is the angle in a right triangle that lies opposite to lamb. The angle is used to establish a relation with the three sides of a right triangle and is denoted by the Hindi/Sanskrit Devanagari letter बि.
Eponymous
The angle is named in honor of Indian scientist Bibhorr, post his invention of the Bibhorr formula.
