From shuwb; apostate, i.e. Idolatrous -- backsliding, frowardly, turn away (from margin).
see HEBREW shuwb
H7726. shobab
I. שׁוֺבָב adjective backturning, recusant, apostate (perhaps for מְשׁוֺבָב, Participle Po`l. Ol§ 251 b Ges§ 52s Köi. 454); — ׳שׁ Isaiah 57:17; plural שׁוֺבָבִים בָּנִים שׁוּבוּ Jeremiah 3:14, 22. — שׁובבים 50:6 Kt < Qr ᵐ5 שׁוֺבְבוּם Comm., compare √
Po`l.