horseradish (n.)youdaoicibaDictYouDict[horseradish 词源字典]
1590s, Cochlearia armoricia; the common name preserves the once-common figurative sense of horse as "strong, large, coarse" (as in in obsolete horse mushroom, horse parsley, Old English horsminte "horse mint," etc.); also see radish.[horseradish etymology, horseradish origin, 英语词源]