a quo

[ah-kwoh; English ey-kwoh]

Latin.

from which; following from: used as a point of departure, as for an idea or plan.

terminus a quo

[ter-mi-noo s ah kwoh; English tur-muh-nuh s ey kwoh]

noun Latin.

the end from which; beginning; starting point; earliest limiting point.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for a quo

terminus a quo

noun

the starting point; beginning

Word Origin for terminus a quo

literally: the end from which
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