Ate amanha, part of a farewell, means this; it doesn't sound so different from the same in Spanish
[DOC] [TLE] MTM Advanced Portuguese:PORTUGUESE - Michel Thomas [PAR] 'Learning Spanish with Michel was the most extraordinary ... A very important part 
of the Michel Thomas Method is that full responsibility for your learning lies ..... '
she doesn't have it' = no o tem; (addressing Roberto) 'you have' = tens .... 'until' = 
at; 'until tomorrow' = at amanh (as a farewell, it is equivalent to.