early 15c., from Middle French immobilité (14c.) or directly from Latin immobilitatem (nominative immobilitas) "immovableness," noun of quality from Latin immobilis "immovable" (see immobile).
imminent
immiscible
immitigable
immobile
immobilise
immobility
immobilization
immobilize
immoderate
immoderation
immodest
