Complex sentence: Otherwise known as the Stoa Poikile (meaning painted stoa), because of the paintings that once lined the hall, the stoa later became known as the "Echo Stoa" due to the acoustics of its design.
Split into simpler sentences: Otherwise known as the Stoa Poikile (meaning painted stoa), because of the paintings that once lined the hall. The stoa became known as the "Echo Stoa" due to the acoustics of its design.