English
exoenergetic
From exo- + energetic.
Proto-Indo-European *h₁eǵʰs ‘out of’
Proto-Hellenic *eks
Ancient Greek ἐκ ‘Out of, from’
Ancient Greek ἔξω ‘outer’
English exo-
Proto-Indo-European *werǵ- ‘to make’
…
Ancient Greek ἐνεργός ‘active’
Ancient Greek ἐνεργέω ‘to be active’
Ancient Greek ἐνεργητικός ‘Able to act on’
New Latin energeticus
English energetic
Today it means
adj That releases energy to its environment
Language periods are conventional ranges, not dates for this word.
Etymograph / exoenergetic