Parashas Bo · Passuk 11:4
Chabad.org — English translation + Rashi
Torah Temimah points to Berachos 3b (verified).
Sefaria — Exodus 11:4
Sefaria — Berachos 3b
E-Daf — Berachos 3b
English: “I will go out into the midst of Egypt” — since it did not say “I will enter,” learn from this that entry is also called “going out.”
On the daf / in context: See the cited source for the full section.
Derash on the verse (midrash / Bavli) — not a formal named middah of the 13.
The Torah’s use of “I will go out into Egypt” teaches that entering a place may be called “going out” from where one was previously.