Especially, the clothes awarded to koshin (Emperor's family members) were called "Oroku" (王禄), a part of which given especially to a princess (a title without the imperial proclamation for an entitlement of an Imperial Princess) was called "Oroku"(女王禄) (same in pronunciation but different in writing).
皇親に賜わるのをとくに王禄と呼び、特に対象を女王(皇族)とする場合には女王禄と称した。