c.1380, perhaps from M.Du. poken "to poke," or M.L.G. poken "to stick with a knife," both from P.Gmc. base *puk-, perhaps imitative. To poke fun "tease" first attested 1840; to poke around "search" is from 1809. The noun meaning "an act of poking" is attested from 1796, originally pugilistic slang.
"sack," 1228, probably from O.N.Fr. poque (12c.), probably from a P.Gmc. *puk- (cf. O.E. pocca, M.Du. poke, O.N. poki "bag, pocket"), from PIE base *beu-, an imitative root associated with words for "to swell."
1634, "tobacco plant," from Narraganset puck "smoke," shortened from Algonquian uppowoc. Klein gives source as Virginian puccoon, lit. "plant for staining." The exact plant meant by the Indians is likewise uncertain.