The word bastó is the preterite form of bastar in the third person singular.
See the full bastar conjugation

bastar

Ni siquiera bastó la experiencia de varios grupos de rescate.
Not even the experience of several rescue groups was sufficient.
Es posible que tenga que usar un bastó o muletas.
You may need to use a cane or crutches.
En todocaso, la experiencia de 1992 bastó como ejemplo.
In any case, the experience of 1992 was instructive.
Y eso te bastó para dejar de ayudar a la gente.
That's all it took for you to stop helping people.
Les dimos todo lo que querían. Aun así no bastó.
We gave them everything they wanted and it still wasn't enough.
No te bastó con subirle al tejado.
You weren't satisfied with throwing him up on the roof.
Los discípulos llevaron el mensaje, y esto bastó.
The disciples took the message to John, and it was enough.
Con una mirada bastó, en realidad, si quiere saber la verdad.
One good look did it, actually, if you want to know the truth.
Pero a mí me bastó con mis dos niñas.
But my two girls were enough for me.
Al final, bastó con un solo hombre.
In the end, it took just one man.
Pero a él le bastó solo por un año.
But he lasted only a year.
Pero a nuestro hombre no le bastó con eso.
But that wasn't good enough for our guy.
Ella no bastó para convertirte, ¿eh?
She wasn't enough to turn you, eh?
La pequeña provisión bastó para todos.
The little store was sufficient for all.
Has estado desaparecida y ni siquiera eso le bastó.
You've been off the grid and even that wasn't good enough for her.
Esta breve introducción bastó para crear un espacio de comunicación en una atmósfera distendida.
This brief introduction was sufficient to create a space for relaxed communication.
¿No te bastó con la revisión de su expediente?
Didn't I check his record up at the dispensary?
¿No te bastó el otro vistazo?
Didn't you get a good enough look the other day?
Más tarde, eso no les bastó a ellos ni tampoco a él...
Later, that wasn't enough for him, nor for them.
Era bueno, hasta que ser el más rico del mundo no le bastó.
He was sweet, until being the richest man in the world wasn't enough.
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