intercommunity
1 of 2adjective
in·ter·com·mu·ni·ty ˌin-tər-kə-ˈmyü-nə-tē 
variants or inter-community
: occurring or existing between two or more communities
intercommunity relations
intercommunity
2 of 2noun
: the quality of being common to two or more members of a group
… they likewise refused all intercommunity of worship with the rest of the Protestant churches.
James Murray
James MurrayThe character of a people is not obliterated by intercommunity with others … Robert Morrison MacIver
Robert Morrison MacIver
Word History
First Known Use
Adjective
1892, in the meaning defined above
Noun
1597, in the meaning defined above