Complex sentence: Akhmimic was the dialect of the area around the town of Akhmim (Greek "Panopolis"), and flourished during the fourth and fifth centuries, after which no writings are attested.
Split into simpler sentences: Akhmimic was the dialect of the area around the town of Akhmim (Greek "Panopolis"). It flourished during the fourth and fifth centuries, after which no writings are attested.