to kill as a sacrificial victim, as by fire; offer in sacrifice.
3.
to destroy by fire.
Origin: 1540–50; < Latin immolātus, past participle of immolāre to sprinkle with holy meal prior to sacrificing, sacrifice, equivalent to im-im-1 + mol(a) sacrificial barley cake, literally, millstone (see mill1) + -ātus-ate1
1548, "to sacrifice, kill as a victim," originally an adj. (1534), from L. immolatus, pp. of immolare "to sacrifice," originally "to sprinkle with sacrificial meal," from in- "upon" + mola (salsa) "(sacrificial) meal," related to molere "to grind."