widow's cruse

English

Etymology

From the widow's cruse of oil that miraculously supplies Elijah during a famine (1 Kings 17:8–16).

Noun

widow's cruse (plural widow's cruses)

1. An inexhaustible supply, often of something that appears meager.
   • 2005, Jan Toporowski, Theories of financial disturbance:

     Thus profits, as a source of capital increment for entrepreneurs, are a widow's cruse which remains undepleted however much of them may be devoted to riotous living.