What do buddhists call the event of siddharth leaving home?

Buddhists refer to the event of Siddhartha Gautama leaving home as the "Great Departure" or "Great Renunciation." This pivotal moment marks Siddhartha's decision to abandon his royal life and seek enlightenment by renouncing worldly pleasures and attachments. It symbolizes his commitment to pursuing a spiritual path to understand the nature of suffering and ultimately attain Nirvana.