Descendent

(of flight feather moult) From the inside of a feather tract outwards (e.g. P1 to P10).
Found on http://www.jacanaent.com/PhotoLib/Glossary.htm

Descendent

• (a.) Descending; falling; proceeding from an ancestor or source.
Found on http://thinkexist.com/dictionary/meaning/descendent/

Descendent

De¬∑scend'ent adjective [ Latin descendens , -entis , present participle of descendre . Confer Descendant .] Descending; falling; proceeding from an ancestor or source. « More than mortal grace Speaks thee descendent of ethereal race.» Pope.
Found on http://www.encyclo.co.uk/webster/D/44
No exact match found