Partonym

Furthermore, we infer that the kicking was done with one of Mary's feet, since we know that Mary is a human and humans have feet, or, to put it differently, the script MARY inherits the partonyms of its hyperonym HUMAN.

A word or lexical item indicating that it is 'part-of' some whole. Thus, "leg" is a body partonym, and "root" a plant partonym. Thus, partonymy refers to the phenomenon of referring to parts of a whole through specialised terms.