"a little lump or knot," c. 1400, from Latin nodulus "small knot," diminutive of nodus "knot" (from PIE root *ned- "to bind, tie"). Related: Nodulated; nodulous; nodulation.
Entries linking to nodule
*ned-
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."
nodular adj.
"pertaining to or in the form of a nodule or knot," 1794, from nodule + -ar. Related: Nodularity.
noodle n.2
"head," early 15c., nodel, "head, back of the head," perhaps from Latin nodulus (see nodule). The meaning "simpleton, stupid person" (1753) probably is derived from it. Noodle-thatcher was old slang for "wig-maker" (1716).