jealousy

1. Origins, structure, and basic meaning

• Structure: 妬 means envying or being jealous; its kun-reading is ねたむ and its on-reading is と.
• Basic usage: 妬む(ねたむ) is the verb to envy, while 嫉妬(しっと) names jealousy or envy.

2. Common pitfalls and similar expressions

• The object of envy and the name of the emotion
  • 妹の才能を妬んでいた means that someone was jealous of a younger sister's talent. 妬む targets another person's success or ability.
  • 友人の成功に嫉妬した means envying a friend's success. The meanings overlap, but these examples connect the target with を before 妬む and に before 嫉妬した.