Did you by any chance mean godendag?
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“Oddly enough morning stars have other names as well, being called “holy water sprinklers” due to the fact that they somewhat resemble the aspergillum used by the church to sprinkle parishioners with holy water, and “goedendag” or “good day”.”
“Ghent -- then one of the most populous and wealthy cities of Europe -- that the call to arms first rang out, summoning the city's forty thousand weavers to quit their looms and take up weapons -- the sword, the pike, and that arm so peculiarly Flemish, known as the goedendag.”
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