borrowed from Latin nocent-, nocens "injurious, guilty," from present participle of nocēre "to damage (things), injure, harm (persons)" — more at noxious
15th century, in the meaning defined above
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。