shame. the shameful thing, "shame" being put by Figure of speech Metonymy (of Effect), for the Asherah which put them to shame (Jeremiah 3:25). See App-42.
labour. Put by Figure of speech Metonymy (of Cause), for all that had been produced by labour.
their sons. Some codices, with two early printed editions, Aramaean, Septuagint, and Syriac, read "and their", thus completing the Figure of speech Polysyndeton, to emphasize the completeness of the Restoration.