Obsianus
Could not find obsiana in Logeion dictionaries. Looking for closest alphabetic form.
Obsĭānus, a, um, v. Obsius.
Obsiānus, a, um, s. Obsius.
Obsĭānus, a, um, dʼObsius : lapis Plin. 36, 157, pierre dʼObsius || Obsĭāna, ōrum, n. , Plin. 36, 196, vases dʼObsius.