propositus Hear it!

propositus definition

pro·posi·tus (prō päz′i təs)

noun pl. propositi -·ti′ (-tī′)

the family member chosen as the starting point in genealogical research, in the investigation of an inheritable disease, etc.

Etymology: ModL < L: see propose

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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