disband
dis- + band
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source: 《LoveLive!》動畫版 μ's 下星期解散！？ | SOS BLOG：動漫生活方式
verb
(of an organized group) break up or cause to break up and stop functioning.
〈組織などが〉解散する, 活動停止する
ORIGIN
late 16th century: from obsolete French desbander.