colindancia
adjacency
co-
with, together
+
lind-
border, edge
+
-ancia
state or quality of
Colindancia means adjacency and can be broken down into co-0 (with, together0), lind-1 (border, edge1), and -ancia2 (state or quality of2). So it's the state of being together at the border or edge.
noun
- adjacencyThe state of being adjacent or borderingLa colindancia de los dos países facilita el comercio. // The adjacency of the two countries facilitates trade.