Source — Defs

01 n. The act of rising; a rise; an ascent.

1.
The act of rising; a rise; an ascent.[Obs.]
“Therefore right as an hawk upon a sours Up springeth into the air, right so prayers . . . Maken their sours to Goddes ears two.” — Chaucer.
2.
The rising from the ground, or beginning, of a stream of water or the like; a spring; a fountain.
“Where as the Poo out of a welle small Taketh his firste springing and his sours.” — Chaucer.

“Kings that rule Behind the hidden sources of the Nile.” — Addison.
3.
That from which anything comes forth, regarded as its cause or origin; the person from whom anything originates; first cause.
“This source of ideas every man has wholly in himself.” — Locke.

“The source of Newton's light, of Bacon's sense.” — Pope.

Syn. See Origin.