צְפוֹ Tsᵉphôw (H6825)

Tsepho or Tsephi, an Idumaean

Zepho or Zephi = "watch-tower" 1) son of Eliphaz and grandson of Esau and one of the chiefs of the Edomites

or צְפִי; from צָפָה (H6822); observant;