Where Did Gravemind Originate?

Where Did Gravemind Originate? The term “Gravemind” was coined by Bungie staff Jaime Greisemer. In several Forerunner data logs, the controlling intelligence of the Flood is referred to as a “Compound Mind.” Originally, the Gravemind was meant to have skulls as teeth. The Gravemind frequently speaks in trochaic heptameter. How was the Gravemind created? A