Ibn Ezra -- Rabbi Avraham Ibn Ezra (Spain 1089-1164), author of a popular commentary on the Bible
ikar -- lit.: core; in context of blessings, refers to the primary food in a mixture
ikar v'tafel -- when two foods are eaten in combination, one is defined as the ikar (primary food) and the other as the tafel (secondary food)
Imahot (Imahos) -- the matriarchs of the Jewish people: Sarah, Rebecca, Rachel and Leah
iruy kli rishon -- pouring from a first vessel
Iyar -- month in the Jewish (lunar) calendar, coinciding with April and May; this month hosts Israel Memorial Day (4th), Israel Independence Day (5th), Lag B'Omer (18th) and Yom Yerushalayim (28th)