THE DAY, WEEK, MONTH, ETC. BEFORE LAST


Meaning of THE DAY, WEEK, MONTH, ETC. BEFORE LAST in English

the day, week, etc. just before the most recent one; two days, weeks, etc. ago :

I haven't seen him since the summer before last.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.