Gabel

Ga'bel noun [ French gabelle , Late Latin gabella , gabulum , gablum ; of uncertain origin. Confer Gavel tribute.] (O. Eng. Law) A rent, service, tribute, custom, tax, impost, or duty; an excise. Burrill. « He enables St. Peter to pay his ga...
Found on http://www.encyclo.co.uk/webster/G/1

Gabel

• (n.) A rent, service, tribute, custom, tax, impost, or duty; an excise.
Found on http://thinkexist.com/dictionary/meaning/gabel/
No exact match found