English

gravireceptor

From gravi- + receptor.

Proto-Indo-European *gʷreh₂- ‘heavy’

Proto-Indo-European *gʷréh₂us ‘heavy’

Proto-Italic *gʷraus ‘heavy’

Latin gravis ‘heavy’

Latin gravitās ‘weight, heaviness’

Middle English receptour ‘a shelterer of criminals’

Today it means

noun Any receptor that gives the brain information concerning the direction of gravitational forces (and hence a sense of up and down).

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

Etymograph / gravireceptor