[Fr., f. colporter to hawk, carry for sale: see -AGE.] The work of a colporteur; spec. the distribution of religious books and tracts by colporteurs.

1

1846.  Worcester cites Baird.

2

1876.  C. M. Davies, Unorth. Lond., 38. A man up to his eyes in his books, whose business it was to manage the ‘colportage.’

3