daily (adj.)youdaoicibaDictYouDict[daily 词源字典]
Old English dæglic (see day). This form is known from compounds: twadæglic "happening once in two days," þreodæglic "happening once in three days;" the more usual Old English word was dæghwamlic, also dægehwelc. Cognate with German täglich.[daily etymology, daily origin, 英语词源]