幸先

1. Origins, structure, and basic meaning

• Structure: It is read さいさき. This noun describes an initial sign or beginning that suggests how an undertaking may develop.
• Basic usage: It is used to evaluate an early score or a first customer's large order as a promising sign.
  • 試合開始直後に得点できて、幸先のよいスタートを切った。

2. Common pitfalls and similar expressions

• Whether the sign is favorable
  • 幸先がいい describes a favorable beginning, with いい supplying the positive evaluation. 幸先が悪い is also used for an unpromising start.