Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† phlĕbŏtŏmĭa (flĕb-), ae, f., = φλεβοτομία, blood-letting, phlebotomy: phlebotomiam adhibere, Cael. Aur. Acut. 2, 18, 104: phlebotomiā uti, Veg. Vet. 1, 14, 3.