Artificial intelligent assistant

sedal

ˈsedal, a. Obs. rare.
  [ad. mod.L. sēdāl-is, f. sēd-ēs seat, fundament: see -al1.]
  Of or belonging to the fundament.

1681 Willis's Rem. Med. Wks., Vocab., Sedal veins, the veins in the fundament. 1684 tr. Bonet's Merc. Compit. vi. 197 While they draw [blood] from the sedal Arterie [orig. ex arteriis sedalibus].

Oxford English Dictionary

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