hadron (n.)youdaoicibaDictYouDict[hadron 词源字典]
1962, from Greek hadros "thick, bulky" (the primary sense), also "strong, great; large, well-grown, ripe," from PIE root *sa- "to satisfy" (see sad). With elementary particle suffix -on. Coined in Russian as adron.[hadron etymology, hadron origin, 英语词源]