Sandra Debenedetti-Stow, in an article in the Frank Talmage memorial volume, found documentary evidence demonstrating that the Jews of Rome understood the word as being a form of the Hebrew word "get", meaning writ of divorce.
Which, I think, says a lot about their attitude toward their separation from the rest of the city. Obviously, the concept carried many chillingly dangerous ramifications as well, which history played out all too clearly. Sometimes it is better to break down those barriers and join the rest of society. But I do believe that there is a certain value in having a place of your own, where you can afford to be less self-conscious, where a self-evident identity allows a community to explore itself with more freedom.