海岸

1. Origins, structure, and basic meaning

• Structure: 海岸 is read as かいがん and can mean “coast” or “seashore”, depending on context.
• Basic usage: The examples show walking along a coast in the morning and gathering driftwood washed ashore.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It means the coastal zone where land meets sea and is broader than 浜辺 or 砂浜, which evoke a beach or sandy shore.