er....W'ON, according to bartleby you've got the wrong part of the pig. But I do think the bartleby story is a bit suspect in that, if you accept that story, query why the word stems specifically from the feminine form of "pig"? [Change that harrumph® to a hhmmmmm...]

http://www.bartleby.com/61/94/P0449400.html: French porcelaine, cowry shell, porcelain, from Old French, from Old Italian porcellana, from feminine of porcellano, of a young sow (from the shell's resemblance to a pig's back)...