Latin -eus (going back to Indo-European *-ei̯os, whence also Greek [Homeric] -eos "composed of, of the nature of," Sanskrit -ayaḥ) + -ous
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。