Gann's Commentary on the Bible

who is enthroned on the cherubim -- Yahweh’s presence in the temple was above [or "between"] the cherubim on top of the ark of the covenant (see Exodus 25:22; Numbers 7:89; 1 Samuel 4:4).

was bowing in worship in the house of Nisroch -- Sennacherib’s assassination occurred much later—in 681 bc. Omitting the time-lapse in the biblical narrative gives a greater sense of immediacy between God’s prophecy that Sennacherib would die in his own land (v. 7) and the fulfillment in v. 38.

to the land of Ararat -- A rugged mountain range north of Assyria.

Esar-haddon his son -- King of Assyria from 681–669 bc.