Complex sentence: The Maniots "akos" is not to be confused with the Cretan "akis", which was introduced into Mani by the first Cretan refugees which fled there once the Ottomans eventually fully occupied Crete in 1669.
Split into simpler sentences: The Maniots "akos" is not to be confused with the Cretan "akis". "Akis" was introduced into Mani after the first Cretan refugees fled to Mani once the Ottomans eventually fully occupied Crete in 1669.