anguli-
combining form 
or angulo-
Etymology: probably from New Latin, from Latin angulus angle — more at angle 
1. : angle 
< angulometer >
: angular
< angulinerved >
2. : of or belonging to the angular and 
< angulosplenial >
or angulo-
1.
< angulometer >
: angular
< angulinerved >
2.
< angulosplenial >