Where does “emergy” come from?

emergy (English) comes from English energy, from Middle French énergie, from Late Latin energia, from Ancient Greek ἐνέργεια, from Ancient Greek ἐνεργής, from Ancient Greek ἐνεργός, from Ancient Greek ἐν-, from Ancient Greek ἐν — Creates collective nouns, which refer to groups...

emergy (English): the total energy used in the life cycle of some...

Definitions

the total energy used in the life cycle of some...

Ancestry of “emergy”, step by step

emergy traces back through two separate lines of ancestry.

via English energy

Step	Language	Word	Meaning
1	English	energy	The impetus behind all motion and all activity;...
2	Middle French	énergie	—
3	Late Latin	energia	energy; efficiency
4	Ancient Greek	ἐνέργεια	activity, operation, vigour; workmanship;...
5	Ancient Greek	ἐνεργής	active, effective
6	Ancient Greek	ἐνεργός	at work, active
7	Ancient Greek	ἐν-	in, within; on
8	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
9	Ancient Greek	δέρμα	skin, hide
10	Ancient Greek	γλυφή	carving, carved work; hole cut
11	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
12	Proto-Indo-European	-íh₂	—
13	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

via English embodied

Step	Language	Word	Meaning
1	English	embodied	simple past tense and past participle of embody

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐν- →