Known. A Greek line on the floor is read as telling jealous people to burst.
The mosaic is in the city of Syedra, near Alanya, on the coast of Turkey. It is 1,500 years old and covers nearly 15 square metres. It lay at the door of a large house used from the 2nd century AD until around the 7th century AD. A line in the middle is read as a welcome. The floor has shapes and plant patterns. Being covered over helped keep it.
The page does not say what is still argued.
https://www.ancient-origins.net/news-history-archaeology/syedra-mosaic-00102603