Pai
From BiblePortal Wikipedia
Hastings' Dictionary of the Bible [1]
PAI. The capital city of Hadad (1 Ch.) or Hadar (Gn.) ( 1 Chronicles 1:50 ). In the parallel passage, Genesis 36:39 , the name occurs in the form Pau. The site is unknown.
Morrish Bible Dictionary [2]
City in Edom in which Hadad or Hadar reigned. 1 Chronicles 1:50 . Called PAU in Genesis 36:39 . Not identified.
Smith's Bible Dictionary [3]
Pa'i. (Blessing). See Pau .
Holman Bible Dictionary [4]
1 Chronicles 1:50 Genesis 36:39Paul
International Standard Bible Encyclopedia [5]
pā´ı̄ ( פּעי , pā'ı̄ ; Φογώρ , Phogṓr ): The royal city of Hadad or Hadar, king of Edom ( 1 Chronicles 1:50 ). The name is given as "Pau" (פּעוּ , pā‛ū ) in Genesis 36:39 . There is no indication of its position. It is not identified.