Where does “photoinactivate” come from?

photoinactivate (English) comes from English inactivate, from English inactive, from French inactif, from Latin inactivus, from Latin āctīvus, from Ancient Greek ἐνεργητικός, from Ancient Greek ἐνεργέω, from Ancient Greek ἐνεργός — Creates collective nouns, which refer to groups...

photoinactivate (English): To cause, or to undergo photoinactivation

Definitions

To cause, or to undergo photoinactivation

Ancestry of “photoinactivate”, step by step

Step	Language	Word	Meaning
1	English	inactivate	To make inactive
2	English	inactive	Not active, temporarily or permanently; Not...
3	French	inactif	inactive
4	Latin	inactivus	inactive
5	Latin	āctīvus	—
6	Ancient Greek	ἐνεργητικός	Able to act on; acting on; Active; In the active...
7	Ancient Greek	ἐνεργέω	to be in action or activity, to operate; to...
8	Ancient Greek	ἐνεργός	at work, active
9	Ancient Greek	ἐν-	in, within; on
10	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
11	Ancient Greek	δέρμα	skin, hide
12	Ancient Greek	γλυφή	carving, carved work; hole cut
13	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
14	Proto-Indo-European	-íh₂	—
15	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Every word from Proto-Indo-European -h₂ →