The kanji 波 primarily means "wave" or "waves". It represents the rhythmic motion of water, usually on the surface of a body of water like the ocean, a lake, or a river. It captures the essence of the crests and troughs that characterize a wave. The character also extends to represent analogous occurrences, such as a "wave" of emotion or a wave of change.

・On-yomi (音読み): ha ・Kun-yomi (訓読み): nami（なみ）

⚫︎波（なみ） Translation: wave ⚫︎津波（つなみ） Translation: tsunami, tidal wave ⚫︎電波（でんぱ） Translation: radio wave

The kanji 波 is a phono-semantic compound (形声文字). ⚫︎ The left side is 水 (みず), meaning "water," which acts as the semantic component, indicating that the character is related to water or liquids. ⚫︎ The right side is 皮 (かわ), pronounced as ha in Chinese and serves as the phonetic component, indicating the sound and suggesting the movement or "skin" of the water. ⚫︎ The combination of these two components visually represents the idea of waves in water.