στοιχείο

Etymology
Borrowed from. Compare the inherited doublet.

Noun

 * 1) unit, element, cell a portion of a whole
 * 2)  element
 * 3)  item of data, piece of information
 * 4)  letter, piece of type
 * 5)  cell, battery
 * 6)  subset of a population
 * 1)  subset of a population