ἄστρον
κρείσσων ἐναρχόμενος βοηθῶν καρδίᾳ τοῦ ἐπαγγελλομένου καὶ εἰς ἐλπίδα ἄγοντος· δένδρον γὰρ ζωῆς ἐπιθυμία ἀγαθή (Proverbs 13.12 LXX) → One who sincerely sets about helping is better than one who makes promises leading to hope; for a kindly urge is a tree of life.
English (LSJ)
τό, mostly in pl.,
A the stars, Il.8.555, Od.12.312, A.Pr.458, Ag.4, etc.; τοῦ κατ' ἄστρα Ζηνός, = τοῦ ἐν οὐρανῷ, S.Tr.1106; ἄστρων εὐφρόνη, = εὐφρ. ἀστερόεσσα, Id.El.19: sg., like ἀστήρ, freq. of Sirius (in full, σήριον ἄστρον prob. l. in Alcm.23.63), Alc.39,40, X.Cyn.4.6, Thphr.CP6.10.9, al.; περὶ τὸ ἄ. in the dog-days, Hp.Epid.7.7; poet. of the sun, Pi.O.1.6, Pl.Def.411b: seldom of any common star, Gal.17(1).16, Sch.Arat.11; of the fixed stars, Arist.Cael.290a20; ἄστρα πλανητά, opp. ἀπλανῆ, Pl.Ti.38c; opp. ἐνδεδεμένα, Arist.Mete. 346a2; opp. ἀστέρες, Herm. ap. Stob.1.21.9; ἐπὶ τοῖς ἄστροις at the times of the stars' rising or setting, Hp.Aër.10, Arist.HA568a18; ἄστροις σημαίνεσθαι, τεκμαίρεσθαι, guide oneself by the stars, Ael. NA2.7, 7.48; ἄστροις τὸ λοιπὸν ἐκμετρούμενος χθόνα knowing its place only by the stars, S.OT795: metaph., ἐχθροῖς ἄ. ὣς λάμψειν Id.El.66. II of something brilliant, admirable, Ἀκροκόρινθον Ἑλλάδος ἄ. AP7.297 (Polystr.), cf. 9.400 (Pall.), APl.4.295; Σωκρατικῆς σοφίης ἄ. IG3.770a.