noun
privy purse; Imperial family private funds
Refers to money used for private purposes by members of the Japanese Imperial family. A formal, domain-specific term.
お手元金は、皇室の私的な支出に充てられる。
The privy purse is allocated for the private expenses of the Imperial family.
Compound of お手元 (o-temoto, 'at hand; personal') + 金 (kin, 'money'). The exact historical derivation is uncertain; the term is conventionally associated with the Imperial Household.