Where does “nonradium” come from?

nonradium (English) comes from English radium, from French radium, from French radioactif, from French actif, from Old French actif, from Latin āctīvus, from Ancient Greek ἐνεργητικός, from Ancient Greek ἐνεργέω.

nonradium (English): Not of or pertaining to radium

Definitions

Not of or pertaining to radium

Ancestry of “nonradium”, step by step

nonradium traces back through two separate lines of ancestry.

via English radium

Step	Language	Word	Meaning
1	English	radium	The chemical element with an atomic number of...
2	French	radium	radium
3	French	radioactif	radioactive
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	—

via English non

Step	Language	Word	Meaning
1	English	non	Obsolete form of none
2	French	non	no; not; a no, a negative response
3	Old French	non	no; not; Alternative form of nom
4	Latin	nōn	not
5	Old Latin	noenum	—
6	Proto-Indo-European	óynos	one; single

Every word from Proto-Indo-European -íh₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐν- →