Example image of eyePlorer eyePlorer map for 'Centum-Satem isogloss': Dorsal consonant Indo-European languages Isogloss Labiovelar consonant Proto-Indo-European language Velar consonant Avestan language Latin Albanian language Armenian language Balto-Slavic languages Dacian language Indo-Iranian languages Thracian language Proto-Indo-European Sibilant consonant Sound change Ancient Macedonian language Celtic languages Germanic languages Greek language Italic languages Labialisation Venetic language Tocharian languages Anatolian languages Hittite language Luwian language Goidelic languages Romance languages August Schleicher Karl Brugmann Oswald Szemerényi Antoine Meillet Jerzy Kuryłowicz Winfred P. Lehmann Abkhaz language Hausa language Hopi language Iranian languages Northwest Caucasian languages Yazgulyam language Sprachbund Neolithic creolisation hypothesis Affricate consonant Fricative consonant Latvian language Lithuanian language Russian language Sanskrit
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