noun
Definition: Money or supplies given to someone to help them start a business or project, with the expectation of sharing the profits later.
Example: The investors provided a grubstake to the new entrepreneur to help launch her startup.
transitive verb
Definition: To provide financial support to someone, expecting to receive a portion of the profits in return.
Example: The investor decided to grubstake the new startup, hoping for a good return on his investment.