nexus
Concise Oxford English Dictionary © 2008 Oxford University Press:
nexus /ˈnɛksəs/
▶noun (pl. same or nexuses)
- 1 a link or connection: the nexus between industry and political power.
■ a connected group; a network.
- 2 a central or focal point.
– origin C17: from L., ‘a binding together’, from nex-, nectere ‘bind’.
'nexus' also found in these Oxford entries:

