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 text in Latin, the prevalent Medieval lingua franca of Europe. However, when monks occasionally wrote in the vernacular, Latin words were translated by finding suitable Old English equivalents. Often, a Germanic word was adopted and given a new shade of meaning in the process. Such was the case with Old English "gōdspell" ("gospel") for Latin "evangelium". Previously, the Old English word simply meant "good news," but its meaning was extended in Old English to fit a religious context. The same occurred for the Old Germanic pagan word "blētsian", which meant "to sacrifice, consecrate by shedding blood". It was adapted by