χλωραύχην
From LSJ
τὸ κοῖλον τοῦ ποδὸς δεῖξαι → show the heels, show a clean pair of heels, show the hollow of the foot, run away
English (LSJ)
ενος, ὁ, ἡ,
A fresh-throated, of the nightingale, Simon.73; with the bloom of youth on her neck, of Deïanira, B.5.172.
German (Pape)
[Seite 1360] ενος, ὁ, ἡ, mit gelblicher od. blasser Kehle, Beiwort der Nachtigall, Simon. im E. Mp. 813, 8. Vgl. χλωρηΐς.