Patronymic from Shba'; a Shebaite or descendant of Sheba -- Sabean.
see HEBREW Shba'
H7615. Shebai
שְׁבָאִי adjective, of a people only plural as substantive, לִשְׁבָאִים (Baer Ginsb שְׁבָא֯יִם) Joel 4:8 ("" רָחוֺק אֶלאגּוֺי, compare Jeremiah 6:20 above), > ᵐ5 Me Now לַשְּׁבִי into captivity.
I. שׁבב (Late Hebrew שָׁבַב Pi`el hew; Arabic cut, Aramaic (Talmud) שִׁבָּא splinter, of Mandean diminutive שאבוניא NöM 140).