Philology was J.R.R. Tolkien’s academic field concerned with the history of languages.
Philology studies language through historical texts, including changes in vocabulary, grammar, pronunciation, and written forms. Tolkien’s work in this field focused especially on Germanic languages and medieval literature. His expertise in Old English, Middle English, Old Norse, and related languages strongly influenced his fiction.
Tolkien’s invented languages were not random collections of words. He developed relationships among languages, sound changes, writing systems, and imagined histories. Quenya and Sindarin, for example, reflect different linguistic inspirations and occupy different cultural roles in his legendarium.
Philology is sometimes confused with linguistics, archaeology, or the study of maps because Tolkien’s books involve history, cultures, and geography. The precise field associated with his Oxford career was philology, and he held professorships in Anglo-Saxon and English Language and Literature. His literary imagination and scholarly training were closely connected throughout his life.