Eboracum workshops growing up outside the fortress to supply the needs of the 5,000 troops garrisoned there. Production included military pottery until the mid-3rd century, military tile kilns have been found in the Aldwark-Peasholme Green area, glassworking at Coppergate, metalworks and leatherworks producing military equipment in Tanner Row. In the Roman period, Eboracum was the major manufacturing centre for Whitby Jet. Known as "gagates" in Latin, it was used from the early 3rd century as material for jewelry and was exported from here throughout Britain and into Europe. Examples found in York take the form of rings, bracelets, necklaces, and pendants
Latin influence in English Old English scribes and christened to become the word "bless". Similarly "fullwiht" (literally, "full-being") and the verb "fullian" came to mean "baptism" and "to baptize" respectively, but probably originally referred to some kind of rite of passage. Whenever a suitable Old English substitute could not be found, a Latin word could be chosen instead, and many Latin words entered the Old English lexicon in this way. Such words include: "biscop" "bishop" from Latin "episcopus", Old English "teped" "carpet" from Latin "tapetum", and Old English "sigel" "brooch" from Latin "sigillum". Other words came in, even though an adequate Old English term