descent

US /dɪˈsent/
UK /dɪˈsent/
"descent" picture
1.

an act of moving downwards, dropping, or falling

:
•
The plane began its gradual descent into the airport.
•
The mountain climber made a slow descent from the peak.
:
ascentrise
2.

a person's origin or ancestry

:
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She is of Irish descent.
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His family traces its descent back to ancient royalty.
:
ancestrylineageoriginheritage