WordaoMeaningto the / at the (m.sg; f.sg à, m.pl aos, f.pl às)Part of speechprepositionPronunciationCoursePortuguese (Portugal)LessonRegular -ir verbs (abrir, partir)Usages of aoA loja abre às nove.The store opens at nine.O comboio parte às oito.The train leaves at eight.