ὀπτ-ήρια · opt-ēria — LSJ
presents made by the bridegroom on seeing the bride without the veil, = ἀνακαλυπτήρια, θεώρητρα, Poll. 2.59, 3.36, Hsch.
generally, presents upon seeing or for the sight of a person, παιδὸς ὀ. E. Ion 1127, cf. Call. Dian. 74 ; προσβάλλων ἀκοαῖς ὀ. θυμοῦ Aspasia ap. Ath. 5.219d.