grub-stake (n.)youdaoicibaDictYouDict[grub-stake 词源字典]
also grubstake, "material, provisions, etc. supplied to an enterprise (originally a prospector) in return for a share in the profits," by 1876, American English western mining slang, from grub (n.) + stake (n.2).[grub-stake etymology, grub-stake origin, 英语词源]