polyptoton
A stylistic scheme in which words from the same root are used together, or a word is repeated in a different inflection or case.
countable, uncountable
If sense require it, in two different cases.
A Polyptoton still the same word places,
Where it comes from
Via Latin, from Ancient Greek πολύπτωτον (polúptōton), neuter of πολύπτωτος (polúptōtos, “having many cases”), from πολύς (polús, “many”) + πίπτω (píptō, “to fall”).
Adapted from the Wiktionary entry polyptoton (CC BY-SA 4.0).