英:/''mɜːðə/ 美:/''mɜːrðər/
v. 謀殺；糟蹋，弄壞（同 murder）
n. 謀殺；（非正式）困難或令人不快的事物（同 murder）
vt.|break/batter up;弄壞；謀殺（等于murder）
“murther”是“murder”（謀殺）的古英語變體拼寫，主要用于16至17世紀的早期現代英語文獻及部分方言中。該詞源自古英語“morþor”，與德語“Mord”同源，最初表示“非法緻人死亡”的行為。例如莎士比亞在戲劇《哈姆雷特》第二幕第二場中寫道：“Bloody, bawdy villain! Remorseless, treacherous, lecherous, kindless villain! O, vengeance!... Why, this is hire and salary, not revenge! He took my father grossly, full of bread, with all his crimes broad blown, as flush as May; and how his audit stands who knows save heaven? But in our circumstance and course of thought, 'tis heavy with him. And am I then revenged to take him in the purging of his soul, when he is fit and seasoned for his passage? No. Up, sword, and know thou a more horrid hent. When he is drunk asleep, or in his rage, or in th' incestuous pleasure of his bed, at gaming, swearing, or about some act that has no relish of salvation in ’t— then trip him, that his heels may kick at heaven, and that his soul may be as damned and black as hell, whereto it goes. My mother stays. This physic but prolongs thy sickly days. [The king rises.] [Exit.] [Hamlet.] My words fly up, my thoughts remain below. Words without thoughts never to heaven go.”（此處“murther”的語境暗含道德審判與複仇主題）。
現代英語中，“murther”已被标準拼寫“murder”取代，但仍可見于曆史文本或文學創作中，用以營造古風語境。根據《牛津英語詞典》（Oxford English Dictionary）詞條，該拼寫在1700年後逐漸退出通用領域。其衍生詞“murtherer”（兇手）在《麥克白》等莎劇中多次出現，例如“Thou art the best o’ th’ cut-throats. Yet he’s good that did the like for Fleance. If thou didst it, thou art the nonpareil.”（《麥克白》第三幕第四場）。
“murther”是早期現代英語中“murder”（謀殺）的古舊拼寫形式，主要出現在16-17世紀的文學作品中，例如莎士比亞的戲劇。其含義與“murder”完全一緻，指非法蓄意殺害他人的行為。
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