449,197km
The circum or circumference of a circle is the distance around it
The root Circum means "Round"
circumstance,circumference, circumvent,
The prefix for the word "circumvent" is "circum-".
Circum means around. This was one of my stems.
Quod circum it circum venit
The prefix of circumscribe is the circum which means around.
The prefix Circum means around, as in the circumference is the line bounding around a circle.
The prefix "circum" typically means around or surrounding.
the answer to your question what does the word circum mean in the word circamspect is AROUND.
Circum.
Around in Latin can be undique, circum or circa.