The character 沆 appears mostly in classical poetry and prose.
Tips
usage
沆 is almost exclusively found in the set phrase 沆瀣一气, meaning 'to conspire together' or 'birds of a feather.' On its own it is a classical term for a wide stretch of water or nocturnal mist.
Water radical on the left - three-drop form of 水 - marks 沆 as a water-state word: a vast expanse of water or fog over water. Same radical drives 海 (sea), 河 (river), 湖 (lake), 洋 (ocean). The three drops evoke water spreading laterally.
亢 supplies the sound - kàng to hàng - through a velar onset shift typical of this phonetic. Same 亢 series produces 杭 (Hangzhou), 炕 (heated bed), 抗 (resist), 航 (navigate). All share the -ang nasal ending and velar onset family.
