piepowder (n.)youdaoicibaDictYouDict[piepowder 词源字典]
early 13c., "wayfarer, itinerant merchant, etc.," folk etymology alteration of Old French pie pouldre or Medieval Latin pede-pulverosus, both literally "dusty-footed" (see foot (n.) + powder (n.)).[piepowder etymology, piepowder origin, 英语词源]