The word "Star" is not modified and therefore is itself the root word. It does not have a prefix.
the root word is aster and it means star disaster means lost star
Astronomy and astronaut have the root 'Astros' which means star.
Space -------------------------------- Astro is greek for "star." Here's a source to back up my answer: http://www.archives.nd.edu/cgi-bin/lookit.pl?latin=astro
Stellar (as in "stellar performance") Many words pertaining to stars such as "constellation". Names (usually female) related to "stella" such as Stella and Estelle.
star root
The word "Star" is not modified and therefore is itself the root word. It does not have a prefix.
The Greek root word of "astronomically" is "astron," which means star.
It means 'star'
the root word is aster and it means star disaster means lost star
The root word of constellation is "stella," which is Latin for "star."
Star.
Stella
The Greek root of "disaster" is "dis-" which means "apart" or "away." Combined with the Latin root "astrum" meaning "star," the word translates to "bad star," reflecting the belief in ancient times that misfortune was caused by the influence of stars.
One word with the root "stell" is "stellar," which means relating to stars.
The root word is "astro," which refers to starts and outer space.
The Greek root word of astronomy is "astron," which means star.