Common name for Federweisser in Luxembourg; see there.
Common name in Germany for a partially fermented grape must. The name is probably derived from the yeasty, cloudy, dull white colour. But the German dictionary of the Brothers Grimm contains the following entry: Federweißer; young, still fermenting milky, cloudy wine (from the old name Federweiß for "alum", because alum used to be added to the wine as a preservative ). It was not until the 1990s that a Federroter made primarily from the Blauer Portugieser, Frühburgunder and...
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