This is the 639th most frequent Estonian word.
võis
The Estonian word "võis" means "could" or "might have" in English.
In this example, 'võis' is used to hypothesize about past content.
Kastis võis olla midagi huvitavat.
There might have been something interesting in the box.
The word 'võis' is used to indicate potential past occurrence or conjecture.
Ta võis eile linna minna.
He might have gone to the city yesterday.
Here, 'võis' expresses a possibility about a past event.