Umlautveränderungen
Umlautveränderungen, also known as umlaut changes, refers to a historical sound change in the Germanic languages where vowels changed their quality when followed by a syllable containing a high front vowel (i or j). This phenomenon is most prominent in the development of the High German consonant shift, contributing to the distinct vowel system of modern German. The original vowel would typically shift towards a fronted and often higher articulation. For instance, the Germanic *a* sound often became *ä*, *o* became *ö*, and *u* became *ü*. Diphthongs also underwent similar transformations.
This sound change was not a single event but a gradual process that occurred over centuries, influenced