flood

1. Origins, structure, and basic meaning

• Structure: 氾 has 5 strokes and denotes water overflowing.
• Basic usage: 氾濫 is read はんらん, and 氾濫原 is read はんらんげん.

2. Common pitfalls and similar expressions

• An event and a landform
  • 川が氾濫する means that a river overflows its banks.
  • 川沿いの氾濫原 means a floodplain along a river. 氾濫原 refers to flat land that can be inundated when the river overflows.
• The end of the compound
  • The 原 in 氾濫原 is read げん.