節目

1. Origins, structure, and basic meaning

• Structure: Literally a joint or node, 節目 (ふしめ) figuratively denotes a meaningful milestone or turning point.
• Basic usage: The event can precede という, as in 卒業という人生の節目, and an anniversary may be 十年という節目.

2. Common pitfalls and similar expressions

• A meaningful milestone
  • It is more than a date; it is a meaningful point for marking change and reflecting on a completed stage.