藍あい返がえし

noun

lightly re-dyeing with indigo

A traditional dyeing technique where fabric is dipped again in indigo to refresh or deepen the color. Domain-specific term used in textile and craft contexts.

• 藍あい返がえしをすると、色いろがより深ふかく鮮あざやかになる。

  When you do a light indigo re-dye, the color becomes deeper and more vivid.