Complex sentence: The present name for the Amharic language and its speakers comes from the medieval province of Amhara, located around Lake Tana at the headwaters of the Blue Nile and including a slightly larger area than Ethiopia's present Amhara Region.
Split into simpler sentences: The present name for the Amharic language and its speakers comes from the medieval province of Amhara. The latter enclave was located around Lake Tana at the headwaters of the Blue Nile, and included a slightly larger area than Ethiopia's present-day Amhara Region.