grubstake

Money, materials, tools, food etc. provided to a prospector in return for a share in future profits.

I've been through hell. The other three are all at work and healthy, getting grub-stake to prospect up White River this winter.

An amount of money advanced to someone starting a business in return for a share of the future profits.

Money, necessities stockpiled to sustain an effort for a period of time.

No one however should go to this country intending to mine without taking with him a year's supplies commonly known as a grub stake or its money equivalent about $1,000.

However, each of these words might, on occasion, be used in a different sense, [...], "grub-stake" to denote one's food supply, regardless of how obtained.

To supply such funds to.

"Nobody grub-stakes me," was the answer. "I stake myself, and when I make a killing it's sure all mine. [...] "