Went after - This expression is common in the Pentateuch, and always signifies actual idolatry (see Deuteronomy 11:28; Deuteronomy 13:2; Deuteronomy 28:14, etc.).
For Ashtoreth, or Astarte, the goddess of the Zidonians, see Exodus 34:13, note; Deuteronomy 16:21, note. On the tomb of a Phoenician king, discovered in 1855, on the site of Sidon, mention is made of a temple of Astarte there, which the monarch built or restored; and his mother is said to have been a priestess of the goddess.
Milcom or Molech 1 Kings 11:7 are variants of the term ordinarily used for “king” among the Semitic races of Western Asia, which appears in melkarth (Phoenic.), Abimelech (Hebrew), Andrammelek (Assyrian), Abd-ul-malik (Arabic), etc. On the character and worship of Molech, see Leviticus 20:2-5 note.