enamel
noun
a glassy substance, usually opaque, applied by fusion to the surface of metal, pottery, etc., as an ornament or for protection.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They will look as though she has been enamelling the grate, or toying with a bucket of pitch.
From Select Conversations with an Uncle (Now Extinct) And Two Other Reminiscences by H. G. (Herbert George) Wells