1611, from It.
ghetto "part of a city to which Jews are restricted," various theories of its origin include: Yiddish
get "deed of separation;" special use of Venetian
getto "foundry" (there was one near the site of that city's ghetto in 1516);
Egitto "Egypt," from L.
Aegyptus (presumably in memory of the exile); or It.
borghetto "small section of a town" (dim. of
borgo, of Gmc. origin, see
borough). Extended 1892 to crowded urban quarters of other minority groups.
Ghetto-blaster "large portable stereo" is from 1982.