1650s, "of or pertaining to the English poet Geoffrey Chaucer" (obit 1400). The family name is from Old French chaucier "maker of chausses," from chauces "clothing for the legs, breeches, pantaloons, hose" (related to case (n.2)). Middle English chawce was a general term for anything worn on the feet.
Chattanooga
chattel
chatter
chatterbox
chatty
Chaucerian
chauffer
chauffeur
Chautauqua
chauvinism
chauvinist