先せん月げつ

noun, adverb

last month

Refers to the month immediately before the current one. Can be used as a noun or adverbially without a particle.

• 先せん月げつ、新あたらしい仕し事ごとを始はじめました。

  I started a new job last month.

• 先せん月げつの会かい議ぎの議ぎ事じ録ろくを送おく