时尚高奢可以用英文表示为"luxurious fashion"。

关于这个词的来源，"luxurious" 是从拉丁语 "luxuria" 衍生而来，意思是奢侈、奢华。"Fashion" 是从拉丁语 "facere" 衍生而来，意思是做、制作。在这里，"luxurious fashion" 指的是奢华的时尚、高级时装。

下面是一些使用 "luxurious fashion" 的英文例句及其中文翻译：

"She always wears luxurious fashion brands pke Chanel and Gucci." (她总是穿着香奈儿和古驰等高级时装品牌。)
"The designer's new collection is filled with luxurious fashion pieces made of silk and lace." (设计师的新系列里满是用丝绸和蕾丝制作的奢华时装。)
"He is known for his luxurious fashion sense and his love for all things extravagant." (他以其奢华的时尚品味和对奢侈品的热爱而闻名。)