A quo

A quo

(Schol.) from which — indicates the principle, starting point, from which something proceeds. To whom (ad quem) or to which (ad quod) indicates the terminus, the end point to which something tends. For whom (cui) indicates for whom something is done. Thus alms giving is done from charity, a quo; it tends to the relief of the poor, as ad quod; and it is a service done for God, as cui. — H.G.

Fuente: The Dictionary of Philosophy