μαλακαίπους
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
English (LSJ)
ὁ, ἡ, πουν, τό, gen. ποδος, poet. for μαλακόπους,
A treading softly, Ὧραι Theoc.15.103 (s.v.l.).
Greek (Liddell-Scott)
μᾰλᾰκαίπους: ὁ, ἡ, πουν, τό, ποιητ. ἀντὶ μαλακόπους, ἔχων μακαλοὺς πόδας, πατῶν ἐλαφρῶς, Ὧραι Θεόκρ. 15. 103.