📌 Ferdinand de Saussure introduced the concepts of synchronic and diachronic linguistics in his Course in General Linguistics.
Synchronic linguistics → the study of a language at a specific point in time (usually the present).
Diachronic linguistics → the study of the historical development and evolution of a language over time.
📝 Summary:
Saussure distinguished between synchronic (static) and diachronic (historical) study of language.