くすりゆび薬指kusuriyubi
1.
The finger located between the middle finger and the little finger, often associated with the tradition of wearing rings, particularly engagement and wedding rings. Historically, it is believed to have been used in the preparation or application of medicinal substances.
2.
The fourth digit of the hand, which is typically least used in daily activities compared to other fingers. Its name originates from its historical connection to medicinal practices.
3.
The finger adjacent to the pinky, commonly used for adornment with jewelry, and referred to in various cultural contexts as the ring finger, reflecting its significance in personal relationships and rituals.
Example:
彼女は左手の薬指にダイヤの指輪をはめていた。