wellspring
English
Etymology
From Middle English wellespring, from Old English wiellspring, wiellġespring (“spring, fount, fountain”), corresponding to well + spring. More at well, spring.
Noun
wellspring (plural wellsprings)
- The source of water for a stream, spring or well; a fountainhead; a wellhead.
- (figurative) A perennial source of anything; a fountainhead of supply or emanation; resource.