Patronymically from Zbuwluwn; a Zebulonite or descendant of Zebulun -- Zebulonite.
see HEBREW Zbuwluwn
H2075. Zebuloni
זְבוּלֹנִי adjective, of a people Judges 12:11-12, with article = collective noun the Zebulonites Numbers 26:27.
זיג זוג, (apparently √ of following; ᵑ7 Late Hebrew זִיג זוג, is be clear, bright transparent (ChWB Jastr391a); others (so Thes) derive following from √ זגג with same meaning, see below & Fl NHWBi. 500 b).