Brown Driver Briggs

 Chimham = "their longing"
n pr m
1. a follower and probably a son of Barzillai the Gileadite who
returned from beyond Jordan with David; apparently David bestowed
on him a possession in Bethlehem on which in later times an inn
was standing
n pr loc
2. apparently the inn in Bethlehem located on the possession given by
David to Chimham the follower or son of Barzillai the Gileadite