Whilst short a is not written, as in the Indic abugidas, The supply of the term "abugida", namely the Ge'ez abugida now useful for Amharic and Tigrinya, has assimilated into their consonant modifications. It's no more systematic and should be acquired as being a syllabary rather than as a segmental https://alfabet-9903691.sharebyblog.com/26802699/the-alfabet-diaries