infect [LME] The words infect and infection [LME] are both from Latin inficere ‘to taint, dip in’, from in- ‘into’ and facere ‘put, do’.
英语词源词典收录了6069条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。