eruv
noun /ˈerʊv/
/ˈerʊv/
(plural eruvim
/ˈerʊvɪm/
/ˈerʊvɪm/
)- an area in a city inside which Jews may do certain things on the Sabbath that they are not normally allowed to do on the Sabbath (because inside the eruv the private space of the home is extended into public areas) Word Originfrom Hebrew ‘ērūb̲, from a base meaning ‘mixture’.