Where does “photoinactivator” come from?

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

photoinactivator (English): A material that produces photoinactivation

Definitions

A material that produces photoinactivation

Ancestry of “photoinactivator”, step by step

Step	Language	Word	Meaning
1	English	inactivator	That which inactivates
2	English	inactivate	To make inactive
3	English	inactive	Not active, temporarily or permanently; Not...
4	French	inactif	inactive
5	Latin	inactivus	inactive
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...

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