repetition of a word in a different case or inflection in the same sentence; "My own heart's heart
polyptoton
Pronunciation
Etymology
() Via Latin, from Ancient Greek πολύπτωτον (poluptōton), neuter of πολύπτωτος (poluptōtos, “having many cases”), from πολύς (polus, “many”) + πίπτω (piptō, “I fall”).