I know what it means, I am better educated than you because I think for myself. This is from New Advent-a Catholic source.
“To understand the word anathema”, says Vigouroux, “we should first go back to the real meaning of herem of which it is the equivalent. Herem comes from the word haram, to cut off, to separate, to curse, and indicates that which is cursed and condemned to be cut off or exterminated, whether a person or a thing, and in consequence, that which man is forbidden to make use of.” This is the sense of anathema in the following passage from Deuteronomy 7:26: "Neither shalt thou bring anything of the idol into thy house, lest thou become an anathema like it. Thou shalt detest it as dung, and shalt utterly abhor it as uncleanness and filth, because it is an anathema." Nations, individuals, animals, and inanimate objects may become anathema, i.e. cursed and devoted to destruction. It was thus that the people inhabiting the Promised Land were anathematized as Moses says (Deuteronomy 7:1, 2): “When . . . the Lord thy God shall have delivered them to thee, thou shalt utterly destroy them.” When a people was anathematized by the Lord, they were to be entirely exterminated. "
Sounds like I am correct and your dear wife is condemned by your church to be entirely exterminated.,.
And you support it, think about it.