the LORD. One of the 134 places where the Sepherim say they altered "Jehovah" of the primitive text to "Adonai" (App-2). See App-4. Here it is combined with 'eth = Jehovah Himself.
upon beside, or by.
the altar. Probably the same altar at Beth-al where Jeroboam had once stood (1Ki_13:1). Compare Amo_7:13, lintel = capital. Render: "smite the capital, shake the foundations, cut them off [i.e. the pillars] by the head, all of them". and I will slay. This is the signification of the symbolical act. the last of them: i.e. the remnant of the People.