Month Before Last
The Month Before Last
noun
The previous previous month (remember that 々 just repeats the kanji before it) is the month before last.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
先々月の四日
the fourth of the month before last
先々月のテスト
the test from the month before last
先々月のブログ
a blog from the month before last
先々月、キューバにいきました。
I went to Cuba the month before last.
先々月、フロリダで大きなハリケーンがあったそうだ。
There was a big hurricane in Florida the month before last.
先々月のレシートを見て下さい。
Please look at the receipt from the month before last.