Artificial intelligent assistant

arrear-ward

aˈrrear-ward Obs.
  Forms: 6 arrier-, 7 arere-, arrere-ward.
  [f. arrear adv. + ward: see prec. There may have been an early arere-ward, as well as rere-ward (cf. ONFr. arere-, rere-warde), but existing evidence shows only rere-ward in 13th c., rere-, arrere-garde int. by Caxton in 15th c., and arrere-ward in end of 16th.]
  = prec.

1589 Late Voy. Sp. & Port. (1881) 75 The Battaile and the arrierward stood in Armes al the night. 1600 Holland Livy 863 (R.) The second legion which was in the arrereward. 1664 S. Clarke Tamerlane 3 The Prince of Thanais..led the Arereward.

Oxford English Dictionary

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