Yahwist
Pronunciation : Yah"wist, n. Also Jah"vist, Jah"wist
Part of Speech : older
Definition : Defn: The author of the passages of the Old Testament, esp. those of the Hexateuch, in which God is styled Yahweh, or Jehovah; the author of the Yahwistic, or Jehovistic, Prophetic Document (J); also, the document itself.
Je*ho"vist.
Source : Webster's Unabridged Dictionary, 1913