had been enameling

• past perfect progressive

  past perfect progressive

  Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.

  of enamel.
  enamel

  noun

  a glassy substance, usually opaque, applied by fusion to the surface of metal, pottery, etc., as an ornament or for protection.

Related Words

• coating
• glaze
• lacquer
• stain
• varnish