Close-mid central unrounded vowel Close-mid central unrounded vowel The close-mid central unrounded vowel, or high-mid central unrounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . This is a mirrored letter e, and should not be confused with the schwa , which is a turned e. It was added to the IPA in 1993; before that, this vowel was transcribed (Latin small letter e with umlaut, not Cyrillic small letter yo). Certain older sources transcribe this vowel . The letter may be used with a lowering diacritic ,
Inherent vowel Inherent vowel An inherent vowel is part of an abugida (or alphasyllabary) script. It is a vowel sound which is used with each unmarked or basic consonant symbol. For example, if the Latin alphabet used 'i' as an inherent vowel, we might write "Wikipedia" as "Wkpeda". There are many known abugida scripts, including most of the Brahmic scripts and Kharosthi, the cursive Meroitic script, which developed in Nubia (today in Southern Egypt and Northern Sudan), and the Ge'ez script. Many of them are still used today. Old Persian cuneiform also uses a device similar to an inherent vowel, though only