hideling

From hidel +‎ -ing or from a back-formation from hidelings (adverb).

hideling (comparative more hideling, superlative most hideling)

1. (dialectal) Given to hiding or concealment; secretive; furtive; clandestine; secret.
   • 1895, Joseph Addison, Sir Richard Steele, The Spectator, Volume 7:

     [...] although from the small creature's habits it must be to a certain extent local, several places in Kent, Sussex, Surrey, and Hampshire are known to us where it may be called abundant, taking into consideration its hideling ways.

• hidelings

From hide +‎ -ling.

hideling (plural hidelings)

1. (dialectal) A person or thing given to hiding itself.

• hielding