aglet

http://dictionary.reference.com/browse/aglet

Middle English, from Old French aguillette, diminutive of aguille, needle, from Vulgar Latin *acūcula, from Late Latin acucula, diminutive of Latin acus, needle; see ak- in Indo-European roots.

An aglet is the small bit at the end of your shoelace, or any other cord/ribbon, that is used to feed it through the eyelit holes.