around
The prefix "circum" typically means around or surrounding.
around
The prefix meaning ring-shaped is "circum-".
Around.
The prefix of circumscribe is the circum which means around.
The prefix for the word "circumvent" is "circum-".
The prefix Circum means around, as in the circumference is the line bounding around a circle.
The prefix circum- means around. In this word, it would mean around the navigation.
Cir- Circumference, circumnavigate
Circum - around.
semi
circumstance circumference circumvent circumnavigate circumspect