While brief a is just not published, as inside the Indic abugidas, The source of the expression "abugida", specifically the Ge'ez abugida now used for Amharic and Tigrinya, has assimilated into their consonant modifications. It's now not systematic and have to be learned to be a syllabary rather then like https://alphabet-9958146.boyblogguide.com/26566248/what-does-alfabet99-mean