资料来源 : Webster's Revised Unabridged Dictionary (1913)

A-mornings \A-morn"ings\, adv. [See {Amorwe}. The -s is a
   genitival ending. See {-wards}.]
   In the morning; every morning. [Obs.]

         And have such pleasant walks into the woods A-mornings.
                                                  --J. Fletcher.