From The Collaborative International Dictionary of English v.0.48 [gcide]:
abigail \ab"i*gail\, n. [The proper name used as an
appellative.]
A lady's waiting-maid. --Pepys.
[1913 Webster]
Her abigail reported that Mrs. Gutheridge had a set of
night curls for sleeping in. --Leslie.
[1913 Webster]