Where does “adatnak” come from?

adatnak (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.

adatnak (Hungarian): dative singular of adat; third-person plural...

Definitions

dative singular of adat; third-person plural...

Ancestry of “adatnak”, step by step

adatnak traces back through two separate lines of ancestry.

via Hungarian adat

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

via Hungarian adatik

Step	Language	Word	Meaning
1	Hungarian	adatik	to be given
2	Hungarian	-atik	Added to a back-vowel verb to form a verb with a...

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