Kangxi Dictionary
View Original Page 566
Zi Collection, Upper Volume, Page 1350, Entry 07
Pronounced huì (falling tone) — Guangyun (Guangyun), pronounced xǔ jì (falling tone) — Jiyun (Jiyun), same pronunciation as qì (falling tone). Refers to the sound of breathing.
Also, pronounced hū huì (falling tone) — Jiyun (Jiyun), same pronunciation as huì (falling tone). Refers to the appearance of laughter.
Kangxi Dictionary Modern Version