What is the adjectival form of Herodotus?

The adjectival form of Herodotus is "Herodotean." This term is often used to describe things related to Herodotus, particularly his works or the style of historical writing associated with him. Herodotus is known as the "Father of History," so "Herodotean" can also refer to the methods and themes found in his historical narratives.