eder

from Easton's 1897 Bible Dictionary

Eder
flock. (1.) A city in the south of Judah, on the border of
Idumea (Josh. 15:21).

  (2.) The second of the three sons of Mushi, of the family of
Merari, appointed to the Levitical office (1 Chr. 23:23; 24:30).