Merriam-Webster Collegiate Dictionary - beyond

 I. adverb  Etymology: Middle English, preposition & adverb, from Old English begeondan, from be- + geondan ~, from geond yond — more at yond  Date: before 12th century  1. on or to the farther side ; farther  2. in addition ; besides  II. preposition  Date: before 12th century  1. on or to the farther side of ; at a greater distance than ~ the horizon  2.  a. out of the reach or sphere of a task ~ his strength  b. in a degree or amount surpassing beautiful ~ measure  c. out of the comprehension of his reasoning is ~ me  3. in addition to ; besides doing work ~ his regular duties  III. noun  Date: 14th century  1. something that lies ~  2. something that lies outside the scope of ordinary experience; specifically hereafter