node n.

Proto-Indo-European root meaning "to bind, tie."

It forms all or part of: annex; annexation; connect; connection; denouement; net (n.) "netting, network, mesh used for capturing;" nettle; nexus; node; nodule; noose.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit nahyati "binds, ties;" Latin nodus "knot;" Old Irish nascim "I bind, oblige;" Old English net "netting, network."

also antinode, 1872, "point of a vibrating string where the amplitude is greatest," from anti- + node. Later applied to other wave systems; at the anti-node the two waves cancel each other out.

"pertaining to a node or nodes," 1811, from node + -al (1). Nodical "of or pertaining to the nodes" is by 1839. Related: Nodality.