English
homentropic
From hom- + entropic.
Proto-Indo-European *sem- ‘together, one’
Proto-Indo-European *somHós ‘same, alike’
Proto-Hellenic *homós
Ancient Greek ὁμός ‘same’
English hom-
Today it means
adj Having the same entropy per unit mass at all points, and at all times.
Language periods are conventional ranges, not dates for this word.
Etymograph / homentropic