Hada is the name of a clan of rajputs. They are in fact a branch of the Chauhan clan of Agnivanshi rajputs. They ruled the states of Bundi and Kotah in the present-day Indian state of Rajasthan for several centuries until 1947.

The surface grain of the blade. There are many types and more than one type can be on the same blade.

The grain in the sword produced by the method of hammering and folding the steel during forging. Many varieties, often associated with specific schools. An important characteristic in Kantei.

layer pattern. = steel

Atmospherea, the heavens of the earth. p. vii.