宵越し

1. Origins, structure, and basic meaning

• Structure: Spelling: 宵越し. Reading: よいごし. Core meaning: keeping overnight.
• Basic usage: Representative examples: 古い随筆で宵越しという表現の意味を調べた / 時代劇の職人は宵越しの銭を持たないと語った.

2. Common pitfalls and similar expressions

• Keeping something past the night
  • 宵越し means keeping something, especially money, from the evening into the next day. 宵越しの銭を持たない is an idiomatic expression for not keeping the day's earnings overnight.