This is the 7698th most frequent French word.
rubicon
A point of no return or decisive commitment.
Here, 'Rubicon' metaphorically represents a point of no return.
Ils ont officiellement franchi le Rubicon et commencé la mise en œuvre du projet.
They have officially crossed the Rubicon and begun executing the project.
In this usage, 'Rubicon' symbolizes making an irreversible decision.
Après des mois de réflexion, elle a décidé de franchir le Rubicon et de changer de carrière.
After months of consideration, she decided to cross the Rubicon and change her career.
This clause uses 'Rubicon' in its historical context as the literal river associated with Julius Caesar's decisive action.