Comparative historical analysis reveals ancient divergence between Malay and Batak languages in Sumatra, indicating shared ancestry classified as family stock.
Key Points
Malay and Batak languages exhibit significant separation dating back to 419 to 3,289 BC, reflecting distinct evolutionary trajectories in regional language kinship.
Average kinship between Bengkulu and North Sumatra pairs reaches 22.66 percent, placing cognate languages within the broader family stock classification.
Lexicostatistics and glottochronology of a 150-word list clarify ancient divergence, highlighting deep historical roots that define regional linguistic diversity.