One of the mysteries of the English language finally explained.
Champagne produced by the firm of Pommery & Greno; = Pommery (now the more usual designation).
Late 19th century; earliest use found in The Times. From the name of Pommery & Greno, the firm which produced the champagne from the name of Narcisse Greno, who took over the firm in Rheims in 1836 + the name of Louis Alexandre Pommery, who went into partnership with Greno in 1856.
Pommery and Greno/ˌpɒm(ə)ri (ə)n(d) ɡrɪˈnəʊ/
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