שֵׁם הַמְפֹרָשׁ

The four-letter name of God (YHWH). Jerome notes it was written in ancient Hebrew (paleo-Hebrew) characters even in certain Greek manuscripts.

Pope Clement VIII, Jerome's Prefaces, On Worship

• I. THE HELMETED PROLOGUE. — Jerome reports that the tetragrammaton name of the Lord is found in certain Greek manuscripts still written in the ancient characters

  "And the tetragrammaton name of the Lord, in certain Greek manuscripts, is found expressed in the ancient letters even to this day."