The same as ad in the sense of the aim of an attack; booty -- prey.
see HEBREW ad
H5706. ad
II. עַד noun [masculine] booty, prey (upon which one advances, falls); **compare עֲדִי ᵑ7 booty, Isaiah 10:2; 33:23 +?עַד יאֹכַל Genesis 49:27 devour prey ("" שָׁלָל); מַרְבֶּה שָׁלָל עַד Isaiah 33:23 prey of great spoil; לְעַד קוּמִי Zephaniah 3:8 (of God) my rising up to the prey (BrMp); עַד אֲבִי Isaiah 9:5 father i.e. distributor) of booty (Hi Kn Kue BrMp Du CheHpt; > Ges Ew Di and others everlasting father).