通とおり掛がけ

noun

passing by; on the way

Used when someone happens to pass by a place or does something while passing. Often appears in adverbial phrases like 通り掛けに.

• 通とおり掛がけに本ほん屋やに寄よった。

  I stopped by the bookstore on my way.

• 通とおり掛がけの人ひとが助たすけてくれた。

  A passerby helped me.