本来

1. Origins, structure, and basic meaning

• Structure: 本来, read ほんらい, denotes the original nature or intended proper purpose of something.
• Basic usage: It refers to a room’s original use and to the intended purpose for which a tool was made.

2. Common pitfalls and similar expressions

• Original state and proper purpose
  • It can indicate an original state in time or the proper purpose and expected use of something.