Probably from the base of stronnumi; a star (as strown over the sky), literally or figuratively -- star.

see GREEK stronnumi

ἀστέρα (astera) − 4 Occurrences

ἀστέρας (asteras) − 3 Occurrences

ἀστέρες (asteres) − 5 Occurrences

ἀστέρος (asteros) − 3 Occurrences

ἀστέρων (asterōn) − 5 Occurrences

ἀστὴρ (astēr) − 4 Occurrences