rachi-Wiktionary 原文英美词源链古希腊语Ancient Greek约前 1500–前 300 年ῥάχις‘spine, ridge’↓ 派生英语Englishrachi-词源说明From international scientific vocabulary, reflecting a New Latin combining form, from New Latin rachis, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).释义前缀prefix1(anatomy, biology, medicine) Spine.