This is the 2923rd most frequent French word.
fallu
"Fallu" is the past participle of the verb "falloir," meaning "to be necessary" or "to be needed."
In this sentence, 'fallu' is the past participle of 'falloir,' used impersonally to express necessity or obligation that occurred in the past.
Il a fallu partir tôt ce matin.
It was necessary to leave early this morning.
Here, 'fallu' again expresses obligation or inevitability in a past context, highlighting the duration it encapsulates.
Il a fallu attendre longtemps pour avoir des nouvelles.
We had to wait a long time to get news.
'Fallu' is used impersonally followed by 'qu'elle,' indicating an action that was necessary in the past.