貫頭衣: simple type of clothing consisting of a large piece of cloth with a hole in the middle for the head

貫頭衣かんとういは、どんな服ふくですか。

What kind of garment is a kantōi (貫頭衣)?

布ぬののまん中まんなかに穴あなをあけて、頭あたまを通とおして着きる服ふくで、貫頭衣かんとういと呼よばれています。

It was a garment worn by passing the head through a hole in the middle of a cloth, and it is called a kantōi.