輔ほ車しゃ相あい依よる

expression, godan verb (-ru)

to be mutually dependent

Obsolete four-character idiom derived from classical Chinese; used in historical or literary contexts to describe two parties relying on each other.

• 「輔ほ車しゃ相あい依よる」という古ふるい言いい回まわしは、互たがいに助たすけ合あう関かん係けいを表あらわす。

  The old expression '輔車相依る' describes a relationship of mutual dependence.