English
homeotherm
From homeo- + -therm.
Formed from homeo- + -therm
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *somHós ‘same, alike’
Proto-Hellenic *homós
Ancient Greek ὁμός ‘same, common, joint’
Ancient Greek ὅμοιος ‘similar’
English homeo-
Today it means
noun Any warm-blooded animal: one that maintains a stable internal body temperature regardless of external influence.
Language periods are conventional ranges, not dates for this word.
Etymograph / homeotherm