a quo

[ ah-kwoh; English ey-kwoh ]
/ ɑˈkwoʊ; English eɪˈkwoʊ /

Latin.

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

Definition for a quo (2 of 2)

terminus a quo
[ ter-mi-noo s ah kwoh; English tur-muh-nuh s ey kwoh ]
/ ˈtɛr mɪˌnʊs ɑ ˈkwoʊ; English ˈtɜr mə nəs eɪ ˈkwoʊ /

noun Latin.

the end from which; beginning; starting point; earliest limiting point.

British Dictionary definitions for a quo

terminus a quo
/ Latin (ˈtɜːmɪˌnʊs ɑː ˈkwəʊ) /

noun

the starting point; beginning

Word Origin for terminus a quo

literally: the end from which