before vowels myel-, word-forming element meaning "marrow, spinal cord," from Greek myelos "marrow; the brain," a word of unknown origin.
updated on March 28, 2019
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。