An Etymological Dictionary of the German Language/Dill
Dill, m., ‘dill.’ In ModHG. the LG. form is current, just as in the case of Hafer. MidHG. tille, f., m., is used of the same umbelliferous plant (anethum), OHG. tilli, n.; comp. AS. dile, E. dill; of obscure origin.