The kanji 燥 generally conveys the meaning of dryness, aridity, or being parched. It describes a lack of moisture and can refer to physical dryness, like dry land, or more abstract concepts like a dry emotional state.

・On-yomi (音読み): ソウ (sou) ・Kun-yomi (訓読み): かわ（く） (kawa(ku)) - to dry

⚫︎ 乾燥 (かんそう) Translation: dryness, drying ⚫︎ 乾燥肌 (かんそうはだ) Translation: dry skin ⚫︎ 燥性 (そうせい) Translation: dryness (characteristic of something)

The kanji 燥 is a phono-semantic compound (形声文字, けいせいもじ). The semantic component is 火 (ひ, fire), indicating heat or the element of fire. The phonetic component is 喿 (そう, sound of many birds), which is used here for its sound value. Together, they create the idea of something being dried or parched by the heat of fire. The original meaning relates to the drying process, and over time, it developed the broader meaning of dryness.