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RIME
White frost; hoarfrost; congealed dew or vapor. "The trees were now covered with rime." (De Quincey)
Origin: AS. Hrim; akin to D. Rijm, Icel. Hrim, Dan. Rim, Sw. Rim; cf. D. Rijp, G. Reif, OHG. Rifo, hrifo.
Source: Websters Vocabulary