English

gravithermal

From gravi- + thermal.

Proto-Indo-European *gʷreh₂- ‘heavy’

Proto-Indo-European *gʷréh₂us ‘heavy’

Proto-Italic *gʷraus ‘heavy’

Latin gravis ‘heavy’

Latin gravitās ‘weight, heaviness’

Proto-Indo-European *gʷʰer- ‘to heat, warm’

Ancient Greek θέρμη ‘heat’

New Latin *thermalis

French thermal

Today it means

adj pertaining to the thermal effects of gravity

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

Etymograph / gravithermal