Tetragrammaton

Origin

From Ancient Greek τετραγράμματον ("four-letter word"), neuter gender of τετραγράμματος ("having four letters").

Full definition of Tetragrammaton

Proper noun

1. The four Hebrew letters יהוה (in transliteration, YHWH or JHVH) used as the ineffable name of God in the Hebrew Bible, variously transliterated as Yahweh or Jehovah.