pervious [E17th] Pervious is based on Latin pervius ‘having a passage through’ formed from combining per- ‘through’ and via ‘way’.
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。