Etymograph

English

gravity well

From gravity + well,

A compound of gravity + well

Proto-Indo-European *gʷreh₂- ‘heavy’

…

Proto-Italic *gʷraus

Latin gravis ‘heavy’

Latin gravitās ‘weight, heaviness’

French gravité ‘seriousness; gravity’

English gravity

Proto-Germanic *wela

Old English wel ‘well’

Middle English wel ‘well’

English well

Today it means

noun The area of space around a celestial body that is dominated by the body's gravitational field.

Language periods are conventional ranges, not dates for this word.

Etymograph / gravity well