specter
(British spectre)
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source: Dancing Ghost | Monster Girls | Know Your Meme
noun
a ghost.
｟文｠ 幽霊, 亡霊(ghost)
something widely feared as a possible unpleasant or dangerous occurrence:
怖い物; 不安(材料)
e.g. the specter of nuclear holocaust.
ORIGIN
early 17th century: from French spectre or Latin spectrum (see spectrum).