Where does “ezredév” come from?

ezredév (Hungarian) comes from Hungarian ezred, from Hungarian ezer, from Iranian unknown Iranian source.

ezredév (Hungarian): millennium

Definitions

Step	Language	Word	Meaning
1	Hungarian	ezred	thousandth; regiment; millennium
2	Hungarian	ezer	one thousand
3	Iranian	unknown Iranian source	—

ezredév — Etymology, Origin & Word History | Etymology Explorer