Japhetic theory
Postulation that the Kartvelian languages of the Caucasus area are related to the Semitic languages of the Middle East; proposed by Nikolay Yakovlevich Marr in 1920s and 1930s, now seen as outdated
en-US/d͡ʒəˈfɛdɪk ˌθiəˌɹi/
en-GB/d͡ʒeɪfɛtɪk θɪəɹiː/