loosen
v.
late 14c., losnen, later lousen (early 15c.), from loose, v. + -en(1). Related: Loosened; loosening.
| 词汇 | loosen | 
| 词根词缀 | Online Etymology Dictionary loosen v. late 14c., losnen, later lousen (early 15c.), from loose, v. + -en(1). Related: Loosened; loosening. | 
| 随便看 | 
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。