Jetheth

A peg, or a prince, one of the Edomitish kings of Mount Seir (Gen. 36:40).

(a nail), one of the “dukes” who came of Esau. (Genesis 36:40; 1 Chronicles 1:51)

je'-theth (yetheth, meaning unknown): a chief (or clan) of Edom (Ge 36:40 parallel 1Ch 1:51), but probably a mistake for "Jether" = "Ithran" (Ge 36:26).