suffuse

UK: səˈfjuːz | US: səˈfjuːz

Definition
  1. vt. to spread over or through something, especially as a liquid, color, or light

  2. vt. to gradually fill or permeate something (often abstract, like emotions)

Structure
suf <under, from sub>fuse <pour, from Latin fundere>
Etymology

The word "suffuse" originates from Latin suffusus, the past participle of suffundere, meaning "to pour beneath" or "to spread underneath." The prefix suf- (a variant of sub-, meaning "under") combines with fuse (from fundere, "to pour"). Over time, the literal sense of pouring liquid evolved metaphorically to describe the spreading of light, color, or emotions. The morpheme fuse appears in other English words like "infuse" (pour into) and "diffuse" (pour apart), showcasing its versatile application.

Examples
  1. The sunset suffused the sky with shades of pink and gold.

  2. Her face was suffused with joy when she heard the news.

  3. A warm glow suffused the room as the candles burned.

  4. The novel suffuses its narrative with a sense of melancholy.

  5. The chemical reaction caused the liquid to suffuse the entire container.