液
えき · eki · JLPT N1 · noun
liquid
💧 Water radical 氵 + 夜 (sound cue): 液 is the water-type stuff that flows, i.e. liquid
The left part 氵 is the water radical, so many liquid-related characters carry it. The right part 夜 gives a rough sound cue, though 夜 is pronounced differently on its own.