the flow of water or something like water / art forms, methods, styles, and techniques peculiar to a person or house

窒素: nitrogen

the vicinity of the roots of a tree

中田: a surname

(chiefly in the negative) as long as one has been alive

(polite) that person

(weaponry) a single-edged sword, such as a katana / a small single-edged blade

sword, knife, blade

katana (Japanese traditional sword) / blade

flowing, washing / current, flow, stream, waterflow / spread