Patrial from 'Arvad; an Arvadite or citizen of Arvad -- Arvadite.
see HEBREW 'Arvad
H721. Arvadi
אַרְוָדִי adjective, of a people with article as collective noun (Assyrian Arudai, etc. COTGloss) mentioned among Canaanites, הָאַרְוָדִי Genesis 10:18 = 1 Chronicles 1:16.