劣等

1. Origins, structure, and basic meaning

• Structure: Written 劣等 and read れっとう, it describes something judged lower in quality, ability, or performance against a standard.
• Basic usage: It appears in warning against labeling a person by one score and in classifying below-standard goods.

2. Common pitfalls and similar expressions

• Caution when applied to people
  • It can serve as a product classification, but judging a person's whole worth this way is harsh and reductive.