noun
manna
MAN-uh/ˈmænə/
Unexpected help, nourishment, or benefit received when needed.
The offered food and water are manna to the exhausted hiker.

Etymology
A nourishing substance name broadened by the 1590s to any unexpected provision when needed.
More examples
- The grant is manna for the struggling theater.
- Rain arrives like manna after weeks of drought.
Forms
manna
Similar words
- windfall
- An unexpected benefit, often financial.
- godsend
- Something especially welcome at a time of need.