Definition of terminus a quo in English:

terminus a quo

Syllabification: ter·mi·nus a quo
Pronunciation: /ˈtərmənəs ä ˈkwō
 
/

noun

  • 1The earliest possible date for something.
    More example sentences
    • We can establish a terminus a quo, the earliest possible date at which the book could have been finalized.
    • In fact, the chapter's conclusion only states a terminus a quo with any conviction, while his earlier confidence regarding a terminus ante quem seems to disappear unexplainably.
    • If the terminus a quo does not lie within the decade A.D.70-80, it cannot well be pushed back earlier than A.D.95.
  • 1.1A starting point or initial impulse.
    More example sentences
    • We are at the beginning of this school year - the terminus a quo.
    • The terminus a quo of the whole period is the issuing of a decree ‘to restore and to build Jerusalem.’

Origin

Latin, literally 'end from which'.

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