Italian evolved from the Vulgar Latin,its vocabulary is constituted by three parts:the words inherited form Latin,the loanwords and the neologism.
意大利语从通俗拉丁语发展而来,它的词汇构成主要有三部分:拉丁语源词、外借词和新词。
参考来源 - 意大利语中的拉丁语词N（名词） any of the dialects of Latin spoken in the Roman Empire other than classical Latin. The Romance languages developed from them 通俗拉丁语(罗马帝国所讲的拉丁语方言，罗曼斯语由此演变而来)