GOD. Hebrew El. App-4.
jealous. Reference to Pentateuch (Exodus 20:5-7; Deuteronomy 4:24). App-92. See the Structure (book comments for Nahum), and note the subjects of "A" and "A"; "B" and "B"; "C" and "C".
the LORD. Hebrew. Jehovah. App-4. Note the Figure of speech Epizeuxis (App-6), for great emphasis.
revengeth. avengeth.
is furious. a possessor of wrath. Hebrew "lord of wrath".
take vengeance on. be an Avenger to.
wrath. Figure of speech Ellipsis (Absolute). App-6.
for. against.