Why is the ninth month called September?
1806, from French vermouth, from German Wermuth "wormwood," from Middle High German wermuot, from Old High German wermuota (see wormwood), name of the aromatic herb formerly used in the flavoring of the liqueur.
wine-based fortified drink flavoured with aromatic herbs. The name derives from the German Vermut, or "wormwood" (see ), a bitter herb and traditional ingredient of vermouth and absinthe. As many as 40 different herbs and flavourings may be used in vermouth, including juniper, cloves, quinine, orange peel, nutmeg, and coriander; the vermouths of various producers are flavoured according to closely guarded recipes.