Where does “teleradium” come from?

teleradium (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.

teleradium (English): teletherapy using radium

Definitions

teletherapy using radium

Ancestry of “teleradium”, step by step

teleradium 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 tele

Step	Language	Word	Meaning
1	English	tele	Alternative form of telly
2	English	tele-	over a distance; television; telegraph
3	Ancient Greek	τῆλε	far off, afar, far away
4	Proto-Indo-European	kʷelh₁-	to move; to turn, go round; turn, become

Every word from Proto-Indo-European -íh₂ →