V'KOTZ V'DARDAR TATZMIACH LACH V'ACHALTA ES EISEV HASADEH
V'KOTZ - this is Egypt, concerning which it says VAYAKUTZU MIPNEI BNEI YISROEL
V''DARDAR - this is Amalek, concerning which it says MILCHAMA LA'HASHEM B'AMALEK ME'DOR DOR.
EISEVE HASADEH - these are all other oppressors, concerning which it says BI'FROACH RESHOIM KEMO EISEV
What is the eitzah?
B'ZEI'AS APECHA TOCHAL LECHEM AD SHUVCHA EL HO'ADAMAH
B'ZEI'AS APECHA TOCHAL LECHEM - this is Torah, which must be learned
b'eima b'yirah b'reses u'B'ZEIAH; and specifically Torah shelomadti b'AF omdo li;
and Lechu lachmu b'LACHMI.
AD SHUVCHA EL HO'ADAMAH - until you return to Eretz Yisroel.
The yesod of Amalek is me'dor dor.