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Je dois partir maintenant.
I have to leave now.
To depart or go away from a place, often permanently or for an extended period.
Il part pour Paris demain.
He is leaving for Paris tomorrow.
Elle est partie il y a deux ans.
She left two years ago.
Often used with 'de' to specify the place of departure (e.g., 'partir de Paris').
To start or begin, especially a journey or activity.
Le train part à 8h.
The train leaves at 8 AM.
Nous partons en vacances la semaine prochaine.
We are leaving for vacation next week.
Can also mean to start an activity or process.
Remember that 'partir' has an irregular past participle 'parti', which does not change in gender or number.
Use 'de' to indicate the place of departure (e.g., 'partir de Paris') and 'pour' to indicate the destination (e.g., 'partir pour New York').
From Old French 'partir', from Latin 'partire' meaning 'to divide'.
The past participle 'parti' is irregular and does not agree with the subject in gender or number.