verb (v)

• add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing(verb.communication)

  Synonym:
  dilate, elaborate, enlarge, expand, expatiate, exposit, expound, flesh out
  Antonym:
  abbreviate, abridge, contract, cut, foreshorten, reduce, shorten
  

  source: wordnet30
• To study by candlelight or a lamp; to study by night.(verb)

  source: webster1913
• To elaborate, perfect, or compose, by night study or by laborious endeavor.(verb)

  source: webster1913