Where does “atomenergia” come from?

atomenergia (Hungarian) comes from Hungarian energia, from Latin energīa, from Ancient Greek ἐνέργεια, from Ancient Greek ἐνεργής, from Ancient Greek ἐνεργός, from Ancient Greek ἐν-, from Ancient Greek ἐν, from Ancient Greek δέρμα — Creates collective nouns, which refer to groups...

atomenergia (Hungarian): nuclear energy

Definitions

nuclear energy

Ancestry of “atomenergia”, step by step

atomenergia traces back through two separate lines of ancestry.

via Hungarian energia

Step	Language	Word	Meaning
1	Hungarian	energia	energy
2	Latin	energīa	energy
3	Ancient Greek	ἐνέργεια	activity, operation, vigour; workmanship;...
4	Ancient Greek	ἐνεργής	active, effective
5	Ancient Greek	ἐνεργός	at work, active
6	Ancient Greek	ἐν-	in, within; on
7	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
8	Ancient Greek	δέρμα	skin, hide
9	Ancient Greek	γλυφή	carving, carved work; hole cut
10	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
11	Proto-Indo-European	-íh₂	—
12	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

via Hungarian atom

Step	Language	Word	Meaning
1	Hungarian	atom	atom
2	English	atom	The smallest possible amount of matter which...
3	Middle English	attome	atom
4	Middle French	athome	atom
5	Latin	atomus	indivisible; an atom, particle incapable of being...
6	Ancient Greek	ἄτομος	uncut; indivisible, not capable of being...
7	Ancient Greek	ἀ-	The alpha privativum, used to make words that...
8	Proto-Hellenic	hə-	same; together
9	Proto-Indo-European	sm̥-	one; with, together
10	Proto-Indo-European	sem-	together, one

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