What's the difference between i.e. and e.g.?
1660s, "bond, link, means of communication," from Latin nexus "that which ties or binds together," past participle of nectere "to bind," from PIE root *ned- "to bind, tie" (see net (n.)).
nexus nex·us (něk'səs)n. pl. nexus or nex·us·es See gap junction.