vowel point

noun
1.
any of a group of auxiliary symbols, as small lines and dots, placed above or below consonant symbols to indicate vowels in a writing system, as that of Hebrew or Arabic, in which vowels are otherwise not written.
Origin
1755-65
British Dictionary definitions for vowel point

vowel point

noun
1.
any of several marks or points placed above or below consonants, esp those evolved for Hebrew or Arabic, in order to indicate vowel sounds