Easton's Bible Dictionary (1897)
Little, the second of the two sons of Eber (Gen. 10:25; 1 Chr. 1:19). There is an Arab tradition that Joktan (Arab. Kahtan) was the progenitor of all the purest tribes of Central and Southern Arabia.
Smith's Bible Dictionary (1863)
(small), son of Eber, (Genesis 10:25; 1 Chronicles 1:19) and the father of the Joktanite Arabs.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JOK'TAN (who is made small), a descendant of Shem, ancestor of the Joktanite Arabs. Gen 10:25-30; 1 Chr 1:19-23.
Hitchcock's Bible Names (1869)
small dispute; contention; disgust