rainbow

1. Origins, structure, and basic meaning

• Structure: 虹 is read にじ, has 9 strokes, and relates to rainbows.
• Basic usage: 虹 is read にじ, and 虹色 is read にじいろ.

2. Common pitfalls and similar expressions

• 虹 and 虹色
  • 虹 means rainbow.
  • 雨上がりに虹が見えた。 means “A rainbow appeared after the rain stopped.”
  • 虹色 means iridescent or rainbow-colored.
  • 雨上がりの水たまりが虹色に光って見えた。 means “After the rain, the puddle shimmered with rainbow colors.”