nest egg

US /ˈnest ˌeɡ/
UK /ˈnest ˌeɡ/
"nest egg" picture
1.

colchón financiero, ahorros, fondo de reserva

a sum of money saved for the future, especially for retirement or a specific purpose

:
They're hoping to build up a substantial nest egg for their retirement.
Esperan construir un considerable colchón financiero para su jubilación.
Her small inheritance became a valuable nest egg for her children's education.
Su pequeña herencia se convirtió en un valioso fondo de ahorro para la educación de sus hijos.