The first fully phonemic script, the Proto-Sinaitic script, which developed into the Phoenician alphabet, is considered to be the first alphabet and is the ancestor of most modern alphabets, abjads, and abugidas, including Arabic, Cyrillic, Greek, Hebrew, Latin, and possibly Brahmic.
The initial fully phonemic script, the Proto-Sinaitic script, which evolved into the Phoenician alphabet, is regarded as the first alphabet and is the forebear of most contemporary alphabets, abjads, and abugidas, including Arabic, Cyrillic, Greek, Hebrew, Latin, and potentially Brahmic.