Bible Dictionaries
Umlaut

Webster's Dictionary

(n.) The euphonic modification of a root vowel sound by the influence of a, u, or especially i, in the syllable which formerly followed.

Bibliography Information
Webster, Noah. Entry for 'Umlaut'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​u/umlaut.html. 1828.