Where does “Адрианъ” come from?

Адрианъ (Old Church Slavonic) comes from Ancient Greek Ἀδριανός, from Latin Hadriānus, from Latin Hadria, from Etruscan 𐌇𐌀𐌕𐌓𐌉𐌀.

Ancestry of “Адрианъ”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἀδριανός	—
2	Latin	Hadriānus	—
3	Latin	Hadria	a city in Picenum, site of modern {{w\|Atri,...
4	Etruscan	𐌇𐌀𐌕𐌓𐌉𐌀	—

Адрианъ — Etymology, Origin & Word History | Etymology Explorer