tanner

From Middle English tannere, from Old English tannere; and Old French tannour, equivalent to tan +‎ -er.

Named after John Sigismund Tanner (1705–1775), who designed a sixpence for the Royal Mint during the reign of King George II.

Probably from the taxonomic eponym tanneri in the species name Chionoecetes tanneri, named after American naval officer Zera Luther Tanner (1835–1906).