Bed·ou·in also Bed·u·in (běd'ōō-ĭn, běd'wĭn) n.
pl.Bedouin or Bed·ou·ins also Beduin or Be·du·ins An Arab of any of the nomadic tribes of the Arabian, Syrian, Nubian, or Sahara deserts.
[Middle English Bedoin, from Old French beduin, from Arabic badāwīyīn, pl. of badawī, nomadic, from badw, desert nomads, Bedouins; see bdw in Semitic roots.]
c.1400, from Fr. bedouin, from Ar. badawin "desert-dwellers," pl. of badawi, from badw "desert, camp." A word from the Crusades, it probably was lost and then reborrowed from Fr. in 17c.