Where does “Aktivierungsenergie” come from?

Aktivierungsenergie (German) comes from German Aktivierung, from German aktivieren, from French activer, from French actif, from Old French actif, from Latin āctīvus, from Ancient Greek ἐνεργητικός, from Ancient Greek ἐνεργέω — Creates collective nouns, which refer to groups...

Aktivierungsenergie (German): activation energy

Definitions

activation energy

Ancestry of “Aktivierungsenergie”, step by step

Aktivierungsenergie traces back through two separate lines of ancestry.

via German Aktivierung

Step	Language	Word	Meaning
1	German	Aktivierung	activation
2	German	aktivieren	to activate, to enable; to activate
3	French	activer	to activate; to speed up; to stoke
4	French	actif	active; asset; top
5	Old French	actif	active
6	Latin	āctīvus	active
7	Ancient Greek	ἐνεργητικός	Able to act on; acting on; Active; In the active...
8	Ancient Greek	ἐνεργέω	to be in action or activity, to operate; to...
9	Ancient Greek	ἐνεργός	at work, active
10	Ancient Greek	ἐν-	in, within; on
11	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
12	Ancient Greek	δέρμα	skin, hide
13	Ancient Greek	γλυφή	carving, carved work; hole cut
14	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
15	Proto-Indo-European	-íh₂	—
16	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

via German Energie

Step	Language	Word	Meaning
1	German	Energie	energy
2	Ancient Greek	ἐνέργειᾰ	activity, operation, vigour, efficiency

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