Where does “inactivator” come from?

inactivator (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...

inactivator (English): That which inactivates

Definitions

That which inactivates

Ancestry of “inactivator”, step by step

inactivator traces back through two separate lines of ancestry.

via English inactivate

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	active
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...

via English ‐or

Step	Language	Word	Meaning
1	English	‐or	Creates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed
2	Middle English	-our	—
3	Old French	-eor	Alternative form of -or
4	Latin	-ator	-ator, -er; second-person singular future passive...
5	Latin	-tor	-er
6	Proto-Italic	-tōr	Forms agent nouns to verb stems
7	Proto-Indo-European	-tōr	Derives agent nouns from verbs, denoting someone...
8	Proto-Indo-European	-tor-s	—

Words derived from “inactivator”

photoinactivator

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