[tet.ra.gram.ma.ton] n [ME, fr. Gk, fr. neut. of tetragrammatos having four letters, fr. tetra- + grammat-, gramma letter--more at gram] (15c): the four Hebrew letters usu. transliterated YHWH or JHVH that form a biblical proper name of God--compare yahweh
TETRAGRAMMATON
Meaning of TETRAGRAMMATON in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012