Artificial intelligent assistant

compester

compester, v. Obs.
  [a. OF. compeste-r = OF. composte-r = med.L. compostāre to dung land, f. OF. compost: see compost (which had also the variant compest). The -er is app. the Fr. infintive ending.]
  To dung, manure.

1628 Coke On Litt. 122 a, For kine and sheep to compester the land. 1696 Ventris Rep. i. (1701) 18 Or those [beasts] which he takes to compester his land.

Oxford English Dictionary

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