ile-, ileo-
(Greek > Latin: groin, flank, lower part of the body; gut, bowels, abdomen, loins)
A combining form that denotes the ileum or the lower section of the small intestine.
From Greek eileos, verbal of eilein, to roll or twist up tightly; once used interchangeably with ilium, but later referred to the entire intestine; the last division of the small intestine.