推定

1. Origins, structure, and basic meaning

• Structure: 推定(すいてい) means estimating a value or state from clues or information.
• Basic usage: It is used when inferring an animal's weight from footprints or assessing a building's date.

2. Common pitfalls and similar expressions

• Evidence and the estimated target
  • In 足跡から体重を推定する, から marks the evidence and を marks what is being estimated.
• Distinguishing a confirmed value
  • 推定年代 means a date estimated from available evidence.
  • Unlike a directly confirmed or measured value, 推定 indicates a judgment reached through inference.