a forged blade, such as a sword / the wavy pattern formed in the metal on the surface of a forged blade / a sword or similar edged weapon / something sharp like a sword / someone or something powerful

a blade, edge

blade, sharp, sword / cut, slash

hold, have

a surname / a place name, such as that of Saiki City in Oita Prefecture

tea plantation

be clear, vivid / be accomplished, have mastered / be mentally clear, sharp

Alternative form of 冴える

différance

dull; boring; dissatisfying; uninteresting