myocardiumWiktionary 原文英美词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*ḱerd-古希腊语Ancient Greek约前 1500–前 300 年μῦς‘muscle’↓ 派生新拉丁语New Latin约 1500 年后myocardium↓ 借入英语Englishmyocardium词源说明From New Latin myocardium, from Ancient Greek μῦς (mûs, “muscle”) + καρδίᾱ (kardíā, “heart”).释义名词noun1(anatomy, cardiology) The muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart.同族词