Where does “Hadrianus” come from?

Hadrianus (Latin) comes from Latin Hadria, from Etruscan 𐌇𐌀𐌕𐌓𐌉𐌀.

Ancestry of “Hadrianus”, step by step

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

Hadrianus — Etymology, Origin & Word History | Etymology Explorer