κοτυληδών

Etymology
Ultimately from.

Noun

 * 1) any cup shaped hollow or cavity
 * 2) hollow of a cup
 * 3)  socket of the hip joint
 * 4) navelwort
 * 5)  suckers on the arms of the octopus
 * 6)  cotyledons, foetal and uterine vascolar connections