[1] The Hebrew name "Issachar" (יִשָּׂשכָר), where there is a second letter sin (ש) having no sound, is a classic example of plene scriptum.
[a] The Talmud and the rabbis explain the variations in plene and defective scriptum found in the Torah as being merely a Halacha le-Moshe mi-Sinai (a Law given to Moses at Sinai).
Rabbi Jedidiah Norzi (1560–1626) wrote a popular work on Hebrew orthography contained in the Five Books of Moses, and in the five Megillot, with examples of plene and defective writings, which was later named Minḥat Shai.
Among Israel's diverse ethnic groups, variant readings have developed over certain words in the Torah, the Sephardic tradition calls for the word ויהיו (wyhyw) in the verse ויהיו כל ימי נח (Genesis 9:29) to be written in defective scriptum (i.e. ויהי, wyhy), but the Yemenite Jewish community requiring it to be written in plene scriptum (i.e.
The ancient Roman meaning of the phrase plene scriptum may have simply meant Latin characters written without using abbreviations.