What words show Herodotus doubt?

Herodotus often expresses doubt through phrases like "it is said," "some claim," or "I have heard," indicating that he is relying on secondhand accounts or hearsay. He also uses qualifiers such as "perhaps" and "maybe," suggesting uncertainty about the truth of the information he presents. This cautious language highlights his awareness of the limitations of his sources and the complexities of historical truth.