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propositus

American  
[pruh-poz-i-tuhs] / prəˈpɒz ɪ təs /

noun

plural

propositi
  1. Law. the person from whom a line of descent is derived on a genealogical table.

  2. Genetics. proband.


propositus British  
/ prəˈpɒzɪtəs, prəˈpɒzɪtə /

noun

  1. law the person from whom a line of descent is traced

  2. Also called (esp US): probandmed the first patient to be investigated in a family study, to whom all relationships are referred

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of propositus

1925–30; < New Latin, special use of past participle of Latin prōpōnere to set forth, propound

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It may be that when our arboreal propositus descended from his palm-tree and began to walk upright about the earth, his progeny were forthwith committed to a journey in which to-day is only a way-station.

From Modern Essays by Ayres, Harry Morgan

The private apartments of the palace were governed by a favorite eunuch, who, in the language of that age, was styled the propositus, or præfect of the sacred bed-chamber.

From History of the Decline and Fall of the Roman Empire — Volume 2 by Milman, Henry Hart