The modern greek word for star is "αστέρι" (asteree), the ancient greek word for star is "αστήρ" (asteer).
the greek root "astr"
Star sailor or traveller Coined from Ancient Greek ἄστρον (ástron), "'star'") and ναύτης (naútēs), "'sailor'").
"Constellation" is a Greek word, and constellations were first discovered by the Greeks, believed to be a greek called 'Homer'. I think constellations is the name given to them by the Greek, so therefore 'constellation' in Greek is 'constellation'.
The suffix "nomy" comes from nomos, a greek work meaning "to regulate or arrange". Astronomy is a word derived from the Greek words "ASTRO" (star) and "NOMOS".
planets
The greek root for disaster is technically ast, which means star. Dis is a greek root meaning bad, and aster is a greek root meaning star.
The Greek root word of "astronomically" is "astron," which means star.
Astro - Greek for 'star'
From the word αστέρας (asteras) ancient αστήρ (astir) meaning star.
Don is not a Greek root word.
the greek root "astr"
Astron is Greek for "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
life
it is not a greek root or any root
The root mem is not greek, but latin. It means 'mind'.
The Greek root carci- means cancer