in harmony, calm, peaceful
龢 centers on a state of harmonious balance: being in harmony, calm, and peaceful. The meanings all describe a tranquil, well-adjusted condition.
龢 combines 龠 (a reed instrument) with 禾 (grain), suggesting harmony through music and agriculture. The exact historical development is uncertain, but the components likely work together to express the idea of peaceful balance.
Picture a reed instrument (龠) playing a soft tune beside a field of grain (禾). The music and the rustling grain together create a calm, harmonious scene.
For ワ, imagine the peaceful sound of a wafting breeze through the grain: wa -> ワ, bringing harmony and calm.