Hadith (n.)youdaoicibaDictYouDict[Hadith 词源字典]
"collected Islamic tradition, the body of traditions relating to Muhammad," 1817, from Arabic, literally "tradition," related to hadith "new, young," hadatha "it happened, occurred," and Hebrew hadash "new." Plural is Hadithat.[Hadith etymology, Hadith origin, 英语词源]