Found this explanation:Any number of vowel combinations are possible, and the Jews are as uncertain of the real pronunciation as are Christians. “Jehovah” is actually a much later (probably 16th century) variant in Latin. Here, the “Y” is substituted with a “J” (Hebrew does not even have a “J” sound), and the “W” with a “V,” plus another vowel combination, resulting in “JeHoVaH.” This vowel combination is composed of the abbreviated forms of the imperfect, the participle, and the perfect of the Hebrew being verb (English “is”) - thus the meaning of Jehovah could be said to be "he who will be, is, and has been." So, what is God's name and what does it mean? The most likely choice for how the tetragrammaton was pronounced is "Yahweh" or something very similar to that. The name "Yahweh" refers to God's self-existence. "Yahweh" is linked with how God described Himself in Exodus 3:14, "God said to Moses, 'I AM WHO I AM.' This is what you are to say to the Israelites: 'I AM has sent me to you.'" God's name is a reflection of His being. God is the only self-existent / self-sufficient Being in the universe. Only God has life in and of Himself. That is the essential meaning of the tetragrammaton / YHWH / Yahweh