洄（hui）
Name meaning
洄 (hui) means eddying, whirling (of water) or to go against the current.
Practical naming use
Use 洄 (hui) when the name should suggest eddying, whirling (of water). Keep the full two-character name natural, readable and balanced for everyday use.
Pairing guide
Pair 洄 (hui) with characters such as 安 (An) for a steadier frame, 文 (Wen) for a cultured register, 清 (Qing) for clarity or 宁 (Ning) for calm. Let the second character clarify the intended register rather than doubling an already strong image.