immure v. + Add to list im·mure Archaic SynonymsEtymology Synonyms gaolimprisonincarceratejailjuglagremandOriginLATimmūrō→OFRenmurer→FRMemmurer→MEenmuren→ENimmure From Middle English enmuren and Middle French emmurer, both from Old French enmurer, from Latin immūrō, from in- + mūrus (“wall”). Modern spelling is modelled after the Latin.