云々
うんぬん · unnun · JLPT N1 · expression
and so on
云 — top 一 + 厶 (swirling cloud shape)
Originally a pictograph of a swirling cloud, written 云 in oracle bones. Later 雨 (rain) was added on top to form 雲, clarifying the weather meaning. In simplified Chinese, 云 was restored as the standard form and also serves as a literary verb meaning 'to say'.