'shä-mən. From Evenki (Tungusic language of Siberia) šamān, derived from the Sumerian ‘sham-an’, Eagle of Heaven

1) sham - from the Sumerian ‘shem’ or ‘sham’ meaning  ‘eagle’ or ‘vehicle of flight’

2) an - from the Sumerian, ‘heaven’ or ‘celestial’

A Shaman is:

1) The Eagle of Heaven
2) One who flies as the Eagle into the Celestial Domains
3) One who is capable of spiritual flight