An Etymological Dictionary of Astronomy and Astrophysics

To trespass, especially on another’s game preserve, in order to steal animals or to → hunt; to take game or fish illegally (Dictionary.com).

Etymology (EN): M.E., from M.Fr. pocher “to thrust, poke,” from O.Fr. pochier “poke out, gouge, prod,” related to poke (v.), from a Germanic source (compare M.H.G. puchen “to pound, beat, knock,” Ger. pochen, Middle Dutch boken “to beat”) related to poke (v.).

Etymology (PE): Beškaridan, from beškar(d), bišgar(d) “hunter, fowler; chase; game; place for hunting,” variant of šekâr, → hunt.