Where does “Nazianzen” come from?

Nazianzen comes from Latin Nazianzus, from Ancient Greek Ναζιανζός, a place name of uncertain ultimate origin.

Nazianzen (English): of or pertaining to the town of Nazianzus; A...

Definitions

Nazianzen traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	English	en	Abbreviation of English; The name of the...
2	French	en	in; to; by
3	Middle French	en	on; on to
4	Old French	en	in; inside; on; upon; in
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

Step	Language	Word	Meaning
1	English	Nazianzus	—
2	Late Latin	Nazianzus	—
3	Ancient Greek	Ναζιανζός	—