腫らす

1. Origins, structure, and basic meaning

• Structure: 腫らす(はらす) is a transitive verb for making a body part swell or become puffy.
• Basic usage: It appears in scenes of eyes or eyelids swelling after crying or rubbing.

2. Common pitfalls and similar expressions

• The pair with 腫れる
  • 目を腫らす describes bringing about puffy eyes, while 目が腫れる describes the eyes becoming swollen.
  • Although 腫らす is transitive, it does not necessarily imply that the swelling was intentional.
• Conjugated forms
  • Its forms include 腫らして and 腫らした.
  • Depending on context, 腫らしていた can describe the resulting swollen state continuing.