Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
immulgĕo (inm-), ēre, v. a. [in-mulgeo], to milk into: lacteam opem, Liv. And. ap. Fest. p. 163 (Trag. Fragm. v. 38 Rib.): teneris immulgens ubera labris, Verg. A. 11, 572: in dolore (oculi) et epiphoris si immulgeatur (lac), plurimum prodest, Plin. 28, 7, 21, § 72; Ambros. in Luc. 8, § 75.