the statement of the regular pattern of consonant correspondences presumed to represent changes from Proto-Indo-European to Germanic, according to which voiced aspirated stops became voiced obstruents, voiced unaspirated stops became unvoiced stops, and unvoiced stops became unvoiced fricatives: first formulated in 1820–22 by Jakob Grimm, though the facts had been noted earlier by Rasmus Rask.
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Words nearby Grimm's law
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British Dictionary definitions for Grimm's law
/ (ɡrɪmz) /
the rules accounting for systematic correspondences between consonants in the Germanic languages and consonants in other Indo-European languages; it states that Proto-Indo-European voiced aspirated stops, voiced unaspirated stops, and voiceless stops became voiced unaspirated stops, voiceless stops, and voiceless fricatives respectively
Word Origin for Grimm's law
formulated by Jakob Grimm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012