Meaning unknown, possibly a variant of Alphaeus, or possibly from an Umbrian root meaning “white”. This was the name of a 3rd-century saint who was martyred in Sicily.
From Hebrew עֲדִינָא (‘adina’) meaning “delicate”. This name is borne by a soldier in the Old Testament. It is also used in modern Hebrew as a feminine name, typically spelled עֲדִינָה.