一いち別べつ以い来らい

noun, adverb

since we last met; since parting

A formal, somewhat literary expression used in letters or formal speech to refer to the time since one last saw someone. Often used at the beginning of a letter.

• 一いち別べつ以い来らい、お元げん気きでいらっしゃいますか。

  I hope you have been well since we last met.

• 一いち別べつ以い来らい、十じゅう年ねんの歳さい月げつが流ながれた。

  Ten years have passed since we parted.