Researched
Comparative Linguistics
William Jones (1786) notes that Sanskrit, Greek and Latin share a common source; regular sound laws turn languages into family trees.
Open in the interactive tree →Rask, Bopp and Grimm (Grimm's law, 1822) showed regular sound changes among Indo-European languages, and later linguists reconstructed Proto-Indo-European. The method of regular correspondences underlies the study of language history and aided the decipherment of lost scripts.
Prerequisites
- Spoken Languageat least ~135,000 years ago?
- Writing~3200 BC