English edit

Etymology edit

From blue +‎ -en.

Verb edit

bluen (third-person singular simple present bluens, present participle bluening, simple past and past participle bluened)

  1. (transitive, intransitive) to make or become blue.
    Synonym: blue (verb)
    • 1991, Andrey Bely, The Christened Chinaman, page 95:
      Here the minutes ticked off, they weaken with the hardly noticeable dawn; I see: the black ink — has bluened; and I know: — []