descendancy

/D AH0 S EH1 N D AH0 N S IY0/
noun
  1. 1

    (uncountable) The quality or condition of being a descendant.

  2. 2

    (countable) Descendants considered collectively.

  3. 3

    (uncountable) The opposite of ascendancy; the condition of being in the process of losing power or control.