Lexical items concluding with the digraph “wh” represent a distinct subset of the English lexicon. Examples include interrogative pronouns like “which” and “who,” as well as adverbs such as “when” and “where.” These terms often introduce questions or clauses requiring further information.
These specific terms play a crucial role in sentence structure and meaning. Their usage clarifies intent, particularly in distinguishing between questions and statements. The historical development of these terms can be traced back to Old English, reflecting shifts in pronunciation and grammatical function over time. Understanding their usage contributes significantly to clear and effective communication.