Mid 19th century; earliest use found in David Vedder (d. 1854), poet. From pack + -y, after packman.
1980s. From pack- + -y.
英语词典包含243303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。