En-haddah
The name En-haddah means “quick sight; well of gladness”.
International Standard Bible Encyclopedia 1915
en-had'-a (`en chaddah, "swift fountain"):
A town in the lot of Issachar mentioned along with En-gannim (Jos 19:21).
It is probably identical with Kefr Adan, a village some 3 miles West of Jenin.