to leave, especially in order to start a journey

निकलना

English Usage: They are departing for their trip early in the morning.

Hindi Usage: वे सुबह जल्दी अपनी यात्रा के लिए निकल रहे हैं।

the act of leaving or going away

प्रस्थान

English Usage: The departing flight was delayed due to bad weather.

Hindi Usage: प्रस्थान कर रही फ्लाइट खराब मौसम के कारण देर से थी।