In historical linguistics, a division set up according to the reconstruction of the Indo-European languages into a Western and an Eastern group that are named after their respective term for the numeral ‘100.’ The original (now not...

The Centum-Satem division is an isogloss of the Indo-European language family, related to the evolution of the three dorsal consonant rows reconstructed for Proto-Indo-European, *kʷ (labiovelars), *k (velars), and *ḱ; (palatovelars). The terms come...