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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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
n (Ling) → Lautverschiebungsgesetz nt, → erste Lautverschiebung
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007