This property defines the Unicodes which have Ethiopic script
Characters like ሀ,ሁ,ሂ, etc. are listed under Ethiopic Script.
523 Characters are present in Ethiopic Script starting with the Unicode point U+1200 that represents the character ሀ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.