Grimm's law(redirected from Grim's Law)
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A formula describing the regular changes undergone by Indo-European stop consonants represented in Germanic, essentially stating that Indo-European p, t, and k became Germanic f, th, and h; Indo-European b, d, and g became Germanic p, t, and k; and Indo-European bh, dh, and gh became Germanic b, d, and g.
[After Jakob Ludwig Karl Grimm.]
(Linguistics) 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
[formulated by Jakob Grimm]
a 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 voiceless stops, and voiceless stops became voiceless fricatives: first formulated 1820–22 by Jakob Grimm.