鼻筋

1. Origins, structure, and basic meaning

• Structure: 鼻筋, read はなすじ, denotes the bridge and contour running down the nose between the eyes and tip.
• Basic usage: It names the upper line of the nose where glasses leave a mark and the contour drawn in a portrait.

2. Common pitfalls and similar expressions

• Bridge and contour of the nose
  • The focus is the bridge and line running down the nose, not the nostrils or the entire nose.