TSUMUGU · B1 (est.) · 字
銳
銳 ＝ 釒 ＋ 兌
ㄖㄨㄟˋ · ruì
adj — sharp, keen, acute
字源 FORM — what the parts do
釒義the metal radical — a blade
IF≠duì → ruì — the reading drifted hard off the donor
The metal radical (釒) with 兌 duì for the sound — a metal point honed fine. The keen edge, then keenness of all kinds: 鋒銳 sharp, 銳利, 敏銳 keen-minded, 銳氣 drive.
故事 STORY — a scene to remember it by
金屬（釒）尖磨到一觸即破皮——銳。
The metal (釒) point honed until a touch breaks skin — keen.
字源記憶法
意 · Meanings
(本義)銳利、鋒銳— sharp, keen-edged常用
→敏銳— keen, acute (of mind)常用
→銳氣— drive, fighting spirit
(本義) original meaning · → ⇒ each arrow = one more step of extension