wellspring

[ wel-spring ]

/ ˈwɛlˌsprɪŋ /

the head or source of a spring, stream, river, etc.; fountainhead.

a source or supply of anything, especially when considered inexhaustible: a wellspring of affection.

Origin of wellspring

before 900; Middle English welle spring, Old English wyllspring; see well², spring

Nor should our recognition of Edward Snowden occasion our rejection of peace and joy as a wellspring of our lives.

Edward Snowden, Not Pope Francis, Is the Person of the Year |James Poulos |December 12, 2013 |DAILY BEAST
Mexico, Mexico City in particular, has been a wellspring for the global art world for a while.

Mexico’s Dark Past and Present |William O’Connor |June 21, 2013 |DAILY BEAST
Jeffress was of course tapping into a wellspring of anti-Mormon prejudice in the culture.

Calling Out Christian Hatemongers |Lauren Ashburn |October 14, 2011 |DAILY BEAST
Indeed, every intellectual conquest is a wellspring of joy to our free children.

Spontaneous Activity in Education |Maria Montessori

This wellspring of hope has often helped the China merchants to carry the freshness of spring even into the snows of winter.

The Englishman in China During the Victorian Era, Vol. I (of 2) |Alexander Michie
Understanding is a wellspring of life unto him that hath it.

Dictionary of Quotations from Ancient and Modern, English and Foreign Sources |James Wood
My imagination had abundant food for reverie: what a wellspring of pleasure the future had in store for me!

My Neighbor Raymond (Novels of Paul de Kock Volume XI) |Charles Paul de Kock
And what a godsend and wellspring of delight Jess and his store were to all Rockhaven's progeny.

Rockhaven |Charles Munn

wellspring

/ (ˈwɛlˌsprɪŋ) /

the source of a spring or stream; fountainhead

a source of continual or abundant supply

Old English welspryng, wylspring; see well ², spring