投網

1. Origins, structure, and basic meaning

• Structure: In 投網 (とあみ), throwing 投 and net 網 combine to denote a casting net.
• Basic usage: 投網 can denote the net thrown to catch fish or the method of casting it.

2. Common pitfalls and similar expressions

• Casting net and casting method
  • A predicate after 投網を, such as throwing or using, distinguishes the implement from the action.