先々月(せんせんげつ)

せんせんげつ
noun
the month before last
1. the month before last; two months ago
Refers to the month two months before the current one. Formed by doubling the 先(せん) in 先月(せんげつ) (last month).
先々月(せんせんげつ)に引(ひ)っ越(こ)した。
I moved two months ago.
先々月(せんせんげつ)から準備(じゅんび)を始(はじ)めた。
I started preparing the month before last.
先々月(せんせんげつ)の電気代(でんきだい)がいつもより高(たか)かった。
The electricity bill from the month before last was higher than usual.

Formed by doubling 先(せん) in 先月(せんげつ) (last month). This doubling pattern is productive in Japanese time words.

RELATED TIME WORDS:

  • 先月(せんげつ): last month
  • 先々月(せんせんげつ): the month before last
  • 先週(せんしゅう): last week
  • 先々週(せんせんしゅう): the week before last
  • 一昨年(おととし): the year before last (note: uses a different pattern)

USAGE:
Functions as a time noun that can modify verbs directly without a particle, or take の to modify another noun: 先々月(せんせんげつ)の売(う)り上(あ)げ (sales from the month before last). For months further back, use ～か月前(げつまえ): 三(さん)か月前(げつまえ) (three months ago).

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Added 2026.4.3 0:21
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