Complex sentence: Somatophylakes (singular: "somatophylax"), in its literal English translation from Ancient Greek means "bodyguards" who were high-ranking military units within the Ancient Macedonian army.
Split into simpler sentences: Somatophylakes (singular: "somatophylax"), in its literal English translation from Ancient Greek, means "bodyguards". These bodyguards were high-ranking military units within the Ancient Macedonian army.