毎晩

1. Origins, structure, and basic meaning

• Structure: 毎晩 is read as まいばん and is an adverbial noun meaning every night and marking a regularly repeated time or habit.
• Basic usage: Going to bed at ten every night appears in 毎晩十時に寝る, while writing in a diary every night appears in 毎晩日記を書く.

2. Common pitfalls and similar expressions

• Difference from 今晩
  • 毎晩 expresses nightly repetition rather than tonight on a single occasion.