From Longman Dictionary of Contemporary Englishwellspringwell‧spring /ˈwelˌsprɪŋ/ noun [countable] literary 1 a large amount of a personal qualitywellspring of There was a wellspring of courage within her.2 the situation or place where something beginswellspring of Las Vegas became the wellspring of a new style of family values.
Examples from the Corpus
wellspring• This has provided the main wellspring for widespread discrimination against older people.• The revenues that washed over both for much of the 1980s flowed from the same wellspring.• This lack of sensitivity to the wellsprings of quality largely stems from shopworn but doggedly persistent ideas on where to economize.wellspring of• Her campaign to free the hostages has generated a wellspring of public support.• Poverty and hopelessness are so often the wellspring of crime. 