On The Formation Of English Words By Means Of Ablaut: A Grammatical Essay is a book written by Karl Warnke and first published in 1878. The book focuses on the study of the English language and its formation of words through the use of ablaut, a linguistic term used to describe the vowel changes that occur in a word to indicate tense or other grammatical features. The book is divided into several chapters, each of which explores a different aspect...