かき混ぜる: to mix

数回すうかいかき混かきまぜながら洗あらい、水みずが少すこしすき通すきとおるまで繰り返くりかえします。

Wash while stirring several times, and repeat until the water becomes somewhat clear.

二人ふたりは、天の浮橋あめのうきはしに立たって、矛ほこを海うみに入いれ、ぐるぐるとかき混かきまぜました。

The two stood on the Floating Bridge of Heaven, put the spear into the sea, and stirred it around and around.