雲散 is read as うんさん (unsan) and means scatter.
うんさん
unsan
うんしゅうむさん
(many things) gathering like clouds and vanishing like mist
うんさんむしょう
vanishing like mist
さんこうせいうん
diffuse nebula
うんぼ
mica
くも
cloud
うんすい
clouds and water
うんでいのさ
wide difference
くもゆき
weather
くものうえ
the Imperial Court
うんかい
sea of clouds
うんなんみんぞくだいがく
Yunnan Institute for Nationalities
うんなんだいがく
Yunnan University