The change of the meaning in the word “butcher”，which originally denoted “one who kills goats”，but has come to mean “one who kills animals” reflects ____ in the sense of word-meaning change.
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The change of the meaning in the word “butcher”，which originally denoted “one who kills goats”，but has come to mean “one who kills animals” reflects ____ in the sense of word-meaning change.
extension
