へそくり金がね

noun

secret savings; nest egg

Money saved secretly, often from a spouse or family. This term is rare; the shorter form へそくり is more common.

See also: へそくり

• 彼かの女じょは夫おっとに内ない緒しょでへそくり金がねをためている。

  She is secretly saving money without telling her husband.