Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† prŏsōdĭa, ae, f., = προσῳδία, the tone or accent of a syllable (ante-class.), Varr. ap. Gell. 18, 12, 8: accentus quas Graeci προσῳδίας vocant, Quint. 1, 5, 22.