Learn how to say Descendent correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word descendant:
a person, plant, or animal that is descended from a particular ancestor:
she’s a descendant of Charles Darwin
a machine, artefact, system, etc., that has developed from an earlier, more rudimentary version:
house music is a descendant of disco
late Middle English (as an adjective in the sense ‘descending’): from French, present participle of descendre ‘to descend’ (see descend). The noun dates from the early 17th century
The correct spelling for the noun meaning ‘person descended from a particular ancestor’ is descendant, not -ent. Descendent is a less common adjective meaning ‘descending from an ancestor’. Almost 15 per cent of the citations for the term in the Oxford English Corpus use the wrong spelling.