Where does “adatom” come from?

adatom (Hungarian) comes from Hungarian adat, from Hungarian ád, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

adatom (Hungarian): first-person singular single-possession...

Definitions

first-person singular single-possession...

Ancestry of “adatom”, step by step

Step	Language	Word	Meaning
1	Hungarian	adat	data
2	Hungarian	ád	Alternative form of ad
3	Latin	Ad	toward, to
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	Proto-Italic	*olnos	that

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →