Emily Dickinson Lexicon

A-MASS', v.t. [Fr. amasser; It. ammassare; L. massa, a heap or lump; Gr. μαζα. See Mass.]

1. To collect into a heap; to gather a great quantity; to accumulate; as, to amass a treasure.
2. To collect in great numbers; to add many things together; as, to amass words or phrases.