unrest
n.
mid-14c., from un-(1) "not" + rest, n.. Similar formation in West Frisian onrest, Middle Low German unreste, German unrast, Middle Dutch onruste.
〔李〕[un-=lack of无；rest n.安静，安宁 →] n.lack of ease or quiet；disturbance or agitation不安，不宁；动乱，骚动
〔李〕[un-=lack of无；rest n.安静，安宁 →] n.lack of ease or quiet；disturbance or agitation不安，不宁；动乱，骚动