band of tough tissue binding bones, late 14c., from Latin ligamentum "a band, bandage, tie, ligature," from ligare "to bind, tie," from PIE root *leig- "to tie, bind." Related: Ligamental; ligamentous; ligamentary.
Proto-Indo-European root meaning "to tie, bind."
It forms all or part of: alloy; ally; colligate; deligate; furl; league (n.1) "alliance;" legato; liable; liaison; lien; lictor; ligand; ligament; ligate; ligation; ligature; oblige; rally (v.1) "bring together;" religion; rely.
It is the hypothetical source of/evidence for its existence is provided by: Latin ligare "to bind;" Albanian lidh "I bind," and possibly Middle Low German lik "band," Middle High German geleich "joint, limb."
before vowels desm-, word-forming element used in scientific compounds and meaning "band, bond, ligament," from Greek desmos "bond, fastening, chain," related to dein "to bind," from PIE root *dē- "to bind."
mid-15c., collocacioun, "a ligament," from Old French and directly from Latin collocationem (nominative collocatio), noun of action from past participle stem of collocare "place together, set in place" (see collocate). Meaning "act of placing together; state of being placed or ordered with something else" is from c. 1600. Linguistics sense is attested from 1940.