orbit
definition
the path travelled by one object while it is moving around another object of greater mass
example
The officials reported that India's second lunar exploration mission has entered the Moon's orbit, nearly a month after it was launched.
synonyms
circlepattern
word origin — late Middle English (in orbit (sense 3 of the noun)): partly via French from Latin orbita ‘course, track’ (in medieval Latin ‘eye socket’), feminine of orbitus ‘circular’, from orbis ‘circle, sphere’