This is the 331st most frequent French word.
partis
"Partis" is the past participle of "partir," meaning "left" or "departed."
'Partis' conveys the idea of the travelers having departed, and it agrees in gender and number with the plural masculine noun 'voyageurs'.
Les voyageurs étaient déjà partis lorsqu'il est arrivé.
The travelers had already left when he arrived.
'Partis' refers to the members who left the team, functioning as a descriptor in conjunction with the noun 'membres'.
Ces membres partis de l'équipe, ils reviendront peut-être.
Those members that left the team might return.
'Partis' is the past participle of 'partir' (to leave) and is used here in the passé composé tense to indicate a completed action in the past.