Of unknown origin. parbunkel (plural parbunkels) Alternative form of parbuckle [17th century] 1627, John Smith, A Sea-Grammar: With the Plaine Exposition...
English Wikipedia has an article on: Parbuckle salvage Wikipedia <span class="searchmatch">parbunkell</span>, parbunkel, parbunkle, parbuncle Earliest forms are parbuncle, parbunkel and...