In the spelling of Hebrew and some other Semitic languages, matres lectionis (Latin "mothers of reading", singular form: mater lectionis, Hebrew: ??? ???????? mother of reading), refers to the use of certain consonants to indicate a vowel. The letters that do this in Hebrew are aleph, he, waw (or vav) and yod (or yud).
词源
1
mater lectionis:
From Latin māter lēctiōnis ?(literally “mother of reading”).