This was originally consigned under [attome], which seemed correct for the sense, but of course the word in the text has to rhyme with mies, so the conjectural attome cannot be right. There is a rare atonie in GdfC 8,230b, with the sense of "défaut de virilité, alanguissement" (Oresme) but that is clearly not a plausible meaning here. Atome is attested in OF from the 13th century (cf. FEW 25,672b). The word remains a puzzle, unless it is to be read as attom[i]es ...