Lautverschiebung /(lout"fĕr*shē`bo͝ong)/

pl. Lautverschiebungen ((lout"fĕr*shē`bo͝ong*en))

1. The regular changes which the primitive Indo-European stops, or mute consonants, underwent in the Teutonic languages, probably as early as the 3d century b. c. , often called the first Lautverschiebung, sound shifting, or consonant shifting. (Philol.)