The god of Shechem, where he had a temple (Jg 8:33; 9:4); called also El-berith (Jg 9:46). The 'covenant' may be that amongst the Canaanite peoples or that between Canaanltes and Israelites; or the title may be parallel to Zeus Horkios, the god who presides over covenants.
And after the death of Gideon, the children of Israel again went after the gods of Canaan and were false to the Lord, and made Baal-berith their god.
And they gave him seventy shekels of silver from the house of Baal-berith, with which Abimelech got the support of a number of uncontrolled and good-for-nothing persons.
Then all the townsmen of the tower of Shechem, hearing of it, went into the inner room of the house of El-berith.
Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain