pus

was able to, could

p y → pouvoir
pu to be able to; can (to have the ability/possibility to) + s je/tu simple past ending
verb · masculine plural · past Rare #40,671
was able to, could Literary or formal past tense of pouvoir; commonly replaced by “ai pu” in everyday French.
FR: Je pus enfin ouvrir la porte.
EN: I was finally able to open the door.
Conjugation of pouvoir
Past
pupaspus
Indicative past
SingularPlural
First pus
Second pus
Third put

Je courus aussi vite que je pus pour attraper le train.

I ran as fast as I could to catch the train.

Je fis tout ce que je pus.

I did all I could.

Je pus tout entendre.

I could hear everything.

Je pus à peine contenir mon excitation.

I could hardly contain my excitement.

Ils n'on pas pus m'entendre.

They couldn't hear me.

— L'Histoire sans fin (1984)

Sounds similar to