left, departed
Jeunes et vieux partirent au combat.
Young and old went into battle.
Ils partirent en expédition au pôle Nord.
They went on an expedition to the North Pole.
Elles partirent en voyage.
They went on a journey.
Ils partirent en expédition en Antarctique.
They went on an expedition to Antarctica.
Ils partirent tôt.
They left early.