Past participle of slay; killed, especially in battle or through violence.
From Old English 'slægen', past participle of 'slean' meaning 'to strike, beat, slay'. Related to Old Norse 'slá' and German 'schlagen', all from Proto-Germanic meaning 'to strike'.
While 'slain' traditionally refers to death in battle, modern usage has expanded dramatically—we now say someone was 'slain' by a comedian's joke or 'slayed' a performance. This evolution from literal death to metaphorical defeat or excellence shows language's remarkable flexibility.
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