Ancient South Arabian script

Ancient South Arabian script
Script type
Period
Late 2nd millennium BCE to 6th century CE
DirectionRight-to-left, boustrophedon
LanguagesOld South Arabian, Ge'ez
Related scripts
Parent systems
Child systems
Geʽez
Sister systems
Ancient North Arabian
ISO 15924
ISO 15924Sarb (105), Old South Arabian
Unicode
Unicode alias
Old South Arabian
U+10A60–U+10A7F

The Ancient South Arabian script (Old South Arabian: 𐩣𐩯𐩬𐩵 ms3nd; modern Arabic: الْمُسْنَد musnad) branched from the Proto-Sinaitic script in about the late 2nd millennium BCE, and remained in use through the late sixth century CE. It is an abjad, a writing system where only consonants are obligatorily written, a trait shared with its predecessor, Proto-Sinaitic, as well as some of its sibling writing systems, including Arabic and Hebrew. It is a predecessor of the Ge'ez script, and a sibling script of the Phoenician alphabet and, through that, the modern Latin, Cyrillic, and Greek alphabets.