/ dɪˌzɪdəˈrɑːtəm; NAmE ; -ˈreɪtəm/ noun
( pl. -ata / -ɑːtə; NAmE ; -eɪtə/) (from Latin , formal ) a thing that is wanted or needed
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WORD ORIGIN
mid 17th cent.: from Latin , something desired , neuter past participle of desiderare , perhaps from de- down + sidus , sider- star.