synoecism
noun
syn·oe·cism
sə̇ˈnēˌsizəm
variants or less commonly synoicism
-nȯiˌkizəm,
-nȯiˌsi-
plural -s
1
: a joining together : union
specifically : a uniting of several towns or villages into one community (as in ancient Greece)
2
: the condition of being synoecious
Word History
Etymology
Greek synoikismos wedlock, act of combining into one city-state, from synoikizein