It means 'star'
Star.
Asteroid comes from the Greek word Aster meaning star.Other words that have Aster as there route :-Asterism(Star Constellation), Disaster (Bad Star), Asterisk (Small Star),
the root word is aster and it means star disaster means lost star
Latin for student.
The latin root meaning for cise is to cut
Calor is the Latin word for "heat".
ANSWER Time.
its actually latin. the latin root imag means likeness. EX; imagine, imagination
aster-greek for big
"Hydro" root means "water"
If you mean circumference of a circle then that is its Latin roots
It means "star traveler" / "star voyager" / "star sailor."The Latin root astron (from aster) means "star" and the root nautes means sailor, voyager.The equivalent term "cosmonaut" is from cosmos, which means space.The Chinese term "taikonaut" comes from the Chinese word for space (taikong).