gonio-

Ancient Greek γωνία (gōnía, “angle”).

gonio-

1. angle.
   • 1997, Thomas Pynchon, Mason & Dixon, New York: Henry Holt and Company, →ISBN, →OCLC, page 587:

     He had turn’d the same covetous Angles as the Welshman,– tho’ perhaps never as many, for Shelby seem’d seiz’d with Goniolatry, or the Worship of Angles, defining tracts of virgin Land by as many of these exhilarating Instrumental Sweeps, as possible.

• Ogoni

gonio-

1. used to form terms relating to (the measurement of) angles