薬指

1. Origins, structure, and basic meaning

• Structure: 薬指 is read as くすりゆび and means “ring finger”.
• Basic usage: It refers to the ring finger fitted for a ring and the left fourth finger injured in a fall.

2. Common pitfalls and similar expressions

• 薬指に合う / 左手の薬指
  • Use 薬指に合う for fit and 左手の薬指 to locate the finger on a hand.