ὀτρηρός
From LSJ
διὰ λαμπροτάτου βαίνοντες ἁβρῶς αἰθέρος → passing lightly through clear-shining air (Euripides, Medea 829)
English (LSJ)
ά, όν, (cf. ὀτρύνω)
A quick, nimble, busy, ready, θεράποντε Il. 1.321, cf. Od.1.109, 4.23, al., Ar.Av.909(lyr.); ταμίη Il.6.381; ὀτρηρὸν . . τὸ ληδάριον ἔχεις, comically, Ar.Av.915; μάζῃ ὀτρηρῇ Matro Conv.92. Adv. -ρῶς, = ὀτραλέως, Od.4.735. II = ὀξύς, sharp, cutting, ὀδύναι Opp.H.2.529.