English
gravothermal
From gravo- + thermal.
Proto-Indo-European *gʷʰer- ‘to heat, warm’
Ancient Greek θέρμη ‘heat’
New Latin *thermalis
French thermal
English thermal
Today it means
adj describing the heating effect of the gravitational collapse of a star
Language periods are conventional ranges, not dates for this word.
Etymograph / gravothermal