English: “Do not be afraid to go down to Egypt” — because he was distressed that he was compelled to leave the Land of Israel.
On the daf / in context: Yaakov’s fear is identified as the pain of leaving Eretz Yisrael; the divine reassurance addresses that specific anxiety and adds the promise of becoming a great nation there.
Type of Learning
Derash on the verse (midrash / Pirkei de-Rabbi Eliezer) — not a formal named middah of the 13.
What Is Learned
Yaakov’s fear of descending to Egypt stemmed from the necessity of leaving the Land; God reassured him both against that fear and with the promise of national growth in Egypt.