late 14c., from Old English mearg "marrow," earlier m?rh, from Proto-Germanic *mazga- (cognates: Old Norse mergr, Old Saxon marg, Old Frisian merg, Middle Dutch march, Dutch merg, Old High German marg, German Mark "marrow"), from PIE *mozgo- "marrow" (cognates: Sanskrit majjan-, Avestan mazga- "marrow," Old Church Slavonic mozgu, Lithuanian smagenes "brain"). Figurative sense of "inmost or central part" is attested from c. 1400.
例文
1. Our bone marrow contains fat in the form of small globules.
私たちの骨髄には小さな球状の脂肪が含まれています。
2. Ask the butcher for soup bones ( marrow bones are best).
肉屋の主人とスープ用の骨(できれば髄骨)を作る。
3.The very thought of it chilled me to the marrow .
これを思うとぞっとします。
4.There are 2000 children worldwide who need a bone marrow transplant.