godan verb (-ru)
walk into; step into
Literary or formal verb for entering a place on foot, often with a deliberate or solemn nuance. Not used in casual daily conversation; 入る or 入っていく are more common.
彼は静かに教会に歩み入った。
He quietly walked into the church.
森の奥深くへ歩み入
Walk deep into the forest.