Filter
To run through felt, as jelly is strained through flannel. The
Romans strained the juice of their grapes through felt into the
wine-vat, after which it was put into the casks. (Latin, feltrum,
felt, filtrum, a strainer.)
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894 More on Filter from Fact Monster:
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