Root of intensive prefix a- in words such as alight, abide, arise, amaze, ashamed, and ago. Other derivatives include utmost, utter, carouse, outlaw, and hubris.
[Pokorny ū̆d- ‘out, away, up(wards)’, pp. 1103–1104.]
Although the etymology of awake relates to the way that we are aroused from sleep in the mornings, when the sun rises, the word is being increasingly used in society today to indicate spiritual awakening, as millions are seeking to realize the True Nature that we all share, in union with the Divine.