grayhoundWiktionary 原文构词拆分gray词根/词干+hound词根/词干演变路径（由近及远）英语继承自 ←古英语 grīġhund词源说明From Old English grīġhund. By surface analysis, gray + hound, in the mistaken belief that greyhound derives from grey, the color.释义（英文）名词 Noun(US) Uncommon spelling of greyhound.