Bible Dictionaries
Diphthongize

Webster's Dictionary

(v. t. & i.) To change into a diphthong, as by affixing another vowel to a simple vowel.

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