Headspring

Now you can follow the current downstream from the headspring to the Silver River's confluence with the Ocklawaha, rather than beating your way upstream from the Ocklawaha all the way to the headspring.

Source: wiktionary

Much less can we afford to follow them into the fantastic combination in which they have been sometimes represented as constituting a sort of barbarian headspring to the liberty of civilized men ; to whom politic society is thought to be a means of preserving, in part only, a freedom enjoyed by savages in much larger measure, nay in perfect plenitude.

Source: wiktionary

The cradle of new conceptual enterprises and entrepreneurs Soft technology is the headspring for brand new ideas, the growth point for new industries and for new conceptual enterprises.

Source: wiktionary

If we can say that management philosophy provides is the headspring to tempt people, we can also say that business model would be the sacrifice to motivate people to act.

Source: wiktionary