Modern Hebrew languages that it is genealogically a hybrid with Indo-European. These theories have not been met with general acceptance, and the consensus among a majority of scholars is that Modern Hebrew, despite non-Semitic influences, can correctly be classified as a Semitic language. Modern Hebrew is written from right to left using the Hebrew alphabet, which is an abjad, or consonant-only script of 22 letters based on the "square" letter form, known as "Ashurit" (Assyrian), which was developed from the Aramaic script. A cursive script is used in handwriting. When necessary, vowels are indicated by diacritic marks above or below the letters
Hebrew alphabet Samaritan alphabet. After the fall of the Persian Empire in 330 BCE, Jews used both scripts before settling on the square Assyrian form. The square Hebrew alphabet was later adapted and used for writing languages of the Jewish diaspora – such as Karaim, the Judeo-Arabic languages, Judaeo-Spanish, and Yiddish. The Hebrew alphabet continued in use for scholarly writing in Hebrew and came again into everyday use with the rebirth of the Hebrew language as a spoken language in the 18th and 19th centuries, especially in Israel. In the traditional form, the Hebrew alphabet is an abjad consisting only of consonants,