The classical source expands or derives a specific point from the language of the passuk. The Core Text above is the relevant region of interest.
Type of Learning
Custom (Continuation of the aggadic derasha of Rabbi Yehudah bar Nachmani that unifies the list under the heading of illicit relations and their destructive consequences.)
What Is Learned
The act of uncovering the father’s “kenaf” is treated both as a specific prohibition and as a paradigm of the secrecy and familial destruction that the entire series of curses seeks to prevent. The nation’s Amen therefore affirms the sanctity of the parental home.