tǒng-iōng蕩漾

to ripple

to ripple; to undulate; to fill (one's heart, the air, etc.); to rise and fall

English Wiktionary, “蕩漾” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%95%A9%E6%BC%BE · confidence: Medium (Wiktionary, Hokkien)