derivation
noun [ C or U ] uk/ˌder.ɪˈveɪ.ʃən/ us/ˌder.əˈveɪ.ʃən/
起源，出处;衍生物，派生物
the origin of something, such as a word, from which another form has developed, or the new form itself
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。