Where does “de-energise” come from?

de-energise (English) comes from English energise, 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- — Creates collective nouns, which refer to groups...

de-energise (English): Alternative spelling of de-energize

Definitions

Alternative spelling of de-energize

Ancestry of “de-energise”, step by step

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

Every word from Proto-Indo-European -h₂ →

de-energise — Etymology, Origin & Word History | Etymology Explorer