Abomination of desolation was a term used to describe an unclean object placed in a holy place. rendering it unclean.Abomination---a foul detestable thing
Of desolation---a laying waste
the abomination is an idol. or unclean thing, detestable. unholy
the thing made desolate is the holy place
in the case of the temple. it will be the most holy place. the wing of the temple.. An example of it is when antiochus epiphanies slaughtered a pig in the holy place. causing the maccabean revolt