tanner (n.2)youdaoicibaDictYouDict[tanner 词源字典]
"sixpence," slang word first recorded 1811, of unknown origin. J.C. Hotten, lexicographer of Victorian slang, thinks it may be from tanner and skin, rhyming slang for "thin," presumably in reference to the smallness of the coin. Not to be confused with tenner, slang for "ten-pound note," which dates from 1861.[tanner etymology, tanner origin, 英语词源]
tanner (n.1)youdaoicibaDictYouDict
"one who tans leather," Old English tannere, agent noun from tannian (see tan (v.)).