daughters: who became Temple-women. See next verse.
themselves. [the men] themselves.
separated. secluded.
harlots. Hebrew. kedeshah = the Temple-women, consecrated to the unclean "worship" of the Canaanites, by which the foulest corruption became. holy duty. Reference to Pentateuch. Found only here and Genesis 38:21; Genesis 38:22, and Deuteronomy 23:17. App-92.