acro-Wiktionary 原文英美词源链原始印欧语Proto-Indo-European约前 4500–前 2500 年*h₂eḱrós↓ 继承grk-pro↓ 继承古希腊语Ancient Greek约前 1500–前 300 年ᾰ̓́κρος↓ 派生新拉丁语New Latin约 1500 年后↓ 借入英语Englishacro-词源说明From international scientific vocabulary, per above.释义前缀prefix1The extremities: limbs, head, fingers, toes, etc.2Located or positioned at a tip or tips of an object or body.3Located or positioned at the top; uppermost.4Beginning, initial.5Pointed in shape.