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Surname Etymology and Meaning of NASSAU
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Name meanings and etymologies are often disputed. The information here is compiled from freely available sources, and no claims whatsoever are made for accuracy, either historical or etymological.
German, Dutch, and Jewish (western Ashkenazic): habitational name from the town of Nassau, formerly the seat of an independent duchy. The place name derives from Old High German naz ‘damp’, ‘wet’ + ouwa ‘water meadow’.
Source: Dictionary of American Family Names (2003)
