Variant of CABLE: kobel is given as a common pronunciation of kabel in Flemish.
(See Ligart Dict. of Walloon (Mons), s.v. combiau.)
a. 1400[?]. Morte Arth., 742. Ffrekes one þe forestayne, fakene þeire coblez In floynes, and fercestez, and Flemesche schyppes.
Coble, cobler, etc., obs. ff. COBBLE, COBBLER.