2 Kings 21:4-7

Verse 4

Built altars - He placed idolatrous altars even in the temple.
Verse 6

Made his son pass through the fire - Consecrated him to Moloch.

Observed times - ועונן veonen; he practiced divination by the clouds; by observing their course at particular times, their different kinds, contrary directions, etc., etc.

Used enchantments - ונחש venichesh; he used incantations, spells, and charms.

Dealt with familiar spirits - ועשה אוב veasah ob; he was a necromancer; was a raiser of spirits, whom he endeavored to press into his service; he had a Python.

And wizards - וידענים veyiddeonim; the knowing ones, the white witches, and such like; see on Lev 19:26-31 (note), where most of these terms are particularly explained and illustrated.
Verse 7

He set a graven image of the grove that he had made in the house - Every one may see that Asherah here must signify an idol, and not a grove; and for the proof of this see the observations at the end of the chapter, 2Kgs 21:26 (note).
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