periosteumWiktionary 原文英美词源链古希腊语Ancient Greek约前 1500–前 300 年περί‘about, around’↓ 派生英语Englishperiosteum词源说明From Ancient Greek περί (perí, “about, around”) + ὀστέον (ostéon, “bone”).释义名词noun1A membrane surrounding a bone.同族词派生词 5mucoperiosteum·periosteal·periosteophyte·periostitis·periostracum