Source : Webster's Revised Unabridged Dictionary (1913)

Abawed \Ab*awed"\ ([a^]b*[add]d"), p. p. [Perh. p. p. of a verb
   fr. OF. abaubir to frighten, disconcert, fr. L. ad + balbus
   stammering.]
   Astonished; abashed. [Obs.] --Chaucer.