Wiktionary
microgrant
n. A grant of a small amount of money.
Wikipedia
Microgrant
There are three primary types of microgrants; one is a small sum of money (~US$50-500) granted to an individual to start an income-generating project, another is a small grant (~$2,000-$10,000) to a community for an impact-oriented projects and a third is a small grant to an individual for any cause they see fit.