noun
beneficiary certificate
A financial instrument representing a beneficial interest in a trust or fund; used in legal and investment contexts.
投資信託の受益証券を購入する。
Purchase a beneficiary certificate of an investment trust.
Compound of 受益 (じゅえき, 'benefit, receiving benefits') and 証券 (しょうけん, 'securities, certificate'). The exact historical derivation is uncertain; the term is used in modern financial and legal contexts.