去来

1. Origins, structure, and basic meaning

• Structure: 去来 is read as きょらい and is a noun and する verb for thoughts, feelings, or memories arising in succession or coming and going through the mind.
• Basic usage: Recurring memories appear in 思い出が胸に去来する, while alternating feelings appear in 期待と不安が胸中を去来する.

2. Common pitfalls and similar expressions

• Physical and mental movement
  • Although the characters suggest coming and going, the examples use the word figuratively for movement of memories or conflicting feelings within the mind.
• Difference from 思い出す
  • 思い出す means recalling a memory; 去来する emphasizes thoughts or feelings repeatedly appearing and receding.