Genesis 2:4

These [are] the generations of the heavens and of the earth when they were created, in the day that the LORD God made the earth and the heavens,

Ver. 4. Jehovah God.] Moses first calls God JEHOVAH here, when the universal creation had its absolute being. This is the proper name of God. The Jews pronounce it not; we profane it, which is to them a great stumbling block. The first among the Christians that pronounced Jehovah was Petrus Galatinus. But if ye would pronounce it according to the own letters, it should be Jahua, as Jarmuth, Jagnakob. This essential and incommunicable name of God, is by the more ancient better minded Hebrews called Hashem, "the name," by an excellency; and Shem hamphorash, "the expounded name," because it might be expounded by a name of twelve letters, which is this, say they, Ab, Ben veruach hakkodesh, that is, the Father, Son, and Holy Ghost. They call it also Tetragrammaton, or the name consisting of four letters. In reference whereunto, likely, the Pythagoreans used to swear by τετιραχτη, quaternity, or the number of four; which they also called "the fountain of everlasting nature," παγαν αεναου φυσεως .