What is the Latin word for sphere?

The usual Latin words for “sphere” are sphaera, mūnus, mūnia. The right choice depends on the sense; see the distinctions below.

English → Latin

“sphere” in Latin

sphaeraball, globe, sphere; a globe of the heavens; a ball for playing mūnusa service, office, employment; a burden, duty, obligation; a service, favor mūniaduties, functions

The English word sphere itself goes back to Latin sphaera, through sphēra.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

sphere

PROP., sphaera. The celestial spheres, coelestia loca, nominative plur.

Figuratively, munus: munia, -ium, plur. To keep within one’s sphere, se rerum suarum finibus continere.

Quick answer

What is the Latin word for sphere?: The usual Latin words for “sphere” are sphaera, mūnus, mūnia. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.