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c.1600, from Nahuatl xocolatl, possibly from xocolia "to make bitter" + atl "water." Brought to Spain by 1520, from thence to the rest of Europe. Originally a drink; as a paste or cake made of ground, roasted, sweetened cacao seeds, 1640s.
To a Coffee-house, to drink jocolatte, very good [Pepys, "Diary," Nov. 24, 1664].As a color from 1776. Chocolate chip is from 1940; chocolatier is attested from 1888.
Opium; big o (1950s+)