c. 1200, fromMiddle Englishtherwith, fromOld Englishþǣrwiþ(“therewith, in return, in exchange, against”), equivalent tothere +with. Cognate withDanishderved(“therewith”),Swedishdärvid(“therewith, thereby”). Parallel with Dutchdaarmee, Germandamit(“therewith”), though etymologically different. See alsotheremid.
therewith (notcomparable)