Hewlett explores the specific use of the articular infinitive in Polybius. The articular infinitive is one of the more difficult features of Greek to the English translator as well as one of the most elegant and useful features of Ancient Greek. Composed of an article and an infinitive, it is used to coin generalized nouns from verbs and is a key feature of philosophical and scientific discourse in the ancient world. This treatise presents a learned discussion of the sorts of uses for this feature of Greek grammar and illustrates the great possibilities of this simple usage. Although particularly useful to those preparing advanced translations, this article also provides added information to anyone wishing a better grasp of the mechanics of Ancient Greek.