This root form (lemma) is used in 2 different forms in the NT: ἀστεῖον (ANS), ἀστεῖος (NMS).
It is glossed in 1 way: ‘beautiful’.
OET ACTS 7:20 Greek word=ἀστεῖος (asteios) Morphology=NMS English gloss=‘beautiful’ SR GNT ACTS 7:20 word 9
OET HEB 11:23 Greek word=ἀστεῖον (asteion) Morphology=ANS English gloss=‘beautiful’ SR GNT HEB 11:23 word 14