tramp (v.) Look up tramp at Dictionary.com
late 14c., "walk heavily, stamp," from Middle Low German trampen "to stamp," from Proto-Germanic *tremp- (source also of Danish trampe, Swedish trampa "to tramp, stamp," Gothic ana-trimpan "to press upon"), from PIE *der- (1) "to run, walk, step" (see tread (v.)). Related: Tramped; tramping.
tramp (n.) Look up tramp at Dictionary.com
"person who wanders about, idle vagrant, vagabond," 1660s, from tramp (v). Sense of "steamship which takes cargo wherever it can be traded" (as opposed to one running a regular line) is attested from c. 1880. The meaning "promiscuous woman" is from 1922. Sense of "a long, toilsome walk" is from 1786.