This is the 2353rd most frequent French word.
pouvions
"Could" (imperfect tense of "pouvoir" for "we").
Here, 'pouvions' is used in the imperfect subjunctive to indicate a hypothetical condition.
Si nous pouvions voyager dans le temps, que ferions-nous?
If we could travel through time, what would we do?
In this sentence, 'pouvions' is in the imperfect indicative, describing an ongoing capability in the past.
Nous pouvions aller au parc tous les samedis quand nous étions enfants.
We could go to the park every Saturday when we were kids.
Here, 'pouvions' is used in a past tense interrogative form to ask about a possibility or an ability at that time.