The term "stem vowel" is commonly used in linguistics and refers to the vowel sound in the root of a word. In International Phonetic Alphabet (IPA) notation, the symbol /ɛ/ represents the "e" sound in "stem," while the symbol /ʌ/ represents the "u" sound in "vowel." When combined, they produce "stem vowel." This term is important in understanding the pronunciation of words and their historical development, particularly in the study of languages with complex inflectional systems.
A stem vowel refers to the central vowel sound present in the root or base form of a word within a language. It is the vowel sound that remains consistent within a word family, while other phonetic elements may change depending on grammatical forms or derivations. The stem vowel is also known as the root vowel or the lexical vowel.
In many languages, stem vowels play a crucial role in determining meanings and forming word families. They can also carry grammatical information, such as indicating verb tenses, noun cases, or identifying different parts of speech. Stem vowels may undergo various changes or modification, commonly known as vowel alternation or vowel mutation, to express these grammatical or derivational shifts.
For instance, in English, the stem vowel /i:/ is a prominent feature of the word family “keep/kept/keeping.” In this example, the stem vowel /i:/ remains unchanged while other phonetic elements like consonants or affixes are added or altered to form different grammatical forms or derivations. Similarly, in German, the stem vowel /a:/ features prominently in the word family “man/Männer/mannlich” where the stem vowel remains the same, but consonants or endings change to indicate different grammatical forms or declensions.
Overall, stem vowels are fundamental phonetic elements in a language, playing a significant role in word formation, grammar, and lexical meaning. They are essential for linguistic analysis, morphological studies, and understanding the structural properties of a language.
The word "stem" comes from the Old English word "stefn" meaning "trunk or stalk". It is derived from the Proto-Germanic word "stamniz". The word "vowel" comes from the Old French word "vocel" and the Latin word "vocalis", both of which refer to the speech sound made with an open vocal tract. Therefore, the term "stem vowel" combines the Old English and Proto-Germanic roots for "trunk" or "stalk" (stem) with the Latin and Old French roots for "speech sound" (vowel), indicating the specific vowel sound in the base or root of a word.