A diminutive is an informal form of a name. For example, 'Jim' and 'Jimmy' are diminutives of 'James'.
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指小词缀(表示亲昵或某东西很小的后缀，如 -ie 和 -ette)
A diminutive is a suffix which is added to a word to show affection or to indicate that something is small. For example, '-ie' and '-ette' are diminutives, for example in 'doggie' and 'statuette'.