Terminus a quo

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Related to Terminus a quo: terminus ad quem

TERMINUS A QUO. The starting point of a private way is so called. Hamm. N. P. 196.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
We thus have a new terminus a quo and, in view of the multiple references to 1634, reasonable grounds for assuming that the French declaration of war may also be a plausible index of the terminus ad quem; in other words, that Byrsa Basilica was definitely written in 1635, and likely before the appearance of the eighth part of The Swedish Intelligencer at the end of the year.(11) In any case the revised date also has a bearing on the third ship named above.
While "Marlowe and Malta" is the primary topic of Gill's introduction, her secondary topic is "Date and Text." Rather than speculating on a date, she supplies the conventional terminus ad quem and terminus a quo, 1592 and 1588.
The conceptual terminus a quo of the exhibition is Claudio Tolomei's 1542 description of the publication program of the Accademia Vitruviana in Rome (which was never achieved, but which early advocated the systematic publication of sources for the study of the Roman world); its terminus ad quem is Jacob Spon's systematization of the field in his 1685 Miscellanea eruditae antiquitatis.