The kanji 鋭 represents "sharp," "keen," or "pointed." It conveys a sense of sharpness, whether referring to a physical edge or a keen intellect. It suggests something that is able to penetrate, cut, or quickly understand.

・On-yomi (音読み): エイ (ei) ・Kun-yomi (訓読み): するどい (surudoi)

⚫︎ 鋭い刃 Translation: A sharp blade. ⚫︎ 鋭い観察力 Translation: Keen observation skills. ⚫︎ 先鋭 Translation: The leading edge; the forefront.

The kanji 鋭 is a 形声文字 (keisei moji), a phono-semantic compound. The phonetic component is 兑 (dai/da), which contributes to the sound. The semantic component is 金 (kane, meaning "metal"). Together, they suggest a sharp metal edge, therefore the kanji 鋭 came to mean "sharp" or "keen."