火药
huǒ yào · HSK 7
gunpowder
🧨 火药 = 火 fire + 药 medicine; alchemists' fire-medicine became gunpowder
Chinese alchemists chasing an immortality elixir stumbled onto an explosive mix, so gunpowder is literally fire (火) plus medicine/drug (药). The 药 here is the same character as in medicine.
火 — pictograph of flames rising
火 is a pictograph showing flames rising upward from a fire, with the central stroke as the main blaze and the side strokes as sparks. The ancient oracle bone form looked even more clearly like a burning flame. It still means 'fire' today and serves as a common radical in characters related to heat, burning, or cooking.
药 — grass radical 艹 + 约 (yuē, phonetic)
A semantic-phonetic compound. The grass radical 艹 on top signals a plant or herb, reflecting that early Chinese medicines were largely herbal. The component 约 below provides the sound, hinting at the pronunciation yào. The traditional form is 藥.