subtend

olla vastapäätä puhekieltä To extend or stretch underneath or opposite something.
2012, http://www.economist.com/node/21560523 Me, myself, us,The Economist, 16th august 2012 issue

...trillions of bacteria, each equally an individual, which are found in a person’s gut, his mouth, his scalp, his skin and all of the crevices and orifices that subtend from his body’s surface.

A 43° angle subtends an arc about ¾ meter long on a circle with a radius of 1 meter.