This is the 806th most frequent Italian word.
sappiamo
"We know."
Here, 'sappiamo' is used as a first-person plural verb from 'sapere', indicating knowledge of a fact.
Sappiamo che il sole è una stella.
We know that the sun is a star.
In this sentence, 'sappiamo' expresses lack of certainty or knowledge about future plans.
Non sappiamo ancora cosa fare domani.
We do not yet know what to do tomorrow.
Here, 'sappiamo' shows knowledge or skill in performing an activity.