For centuries colporteurs went from market to market and from house to house plying the wares that they carried (French: porter) around their neck (French: col).
(‏ لذلك يُشتق اسمهم الفرنسي colporteur من كلمتَي col اي « عنق » و porter اي « حَمَلَ » )‏ .‏