θὤμισυ
From LSJ
αἰθὴρ δ᾽ ἐλαφραῖς πτερύγων ῥιπαῖς ὑποσυρίζει (Aeschylus, Prometheus Bound 126) → The bright air fanned | whistles and shrills with rapid beat of wings.
German (Pape)
[Seite 1230] = τὸ ἥμισυ, Hes. O. 561.
Greek (Liddell-Scott)
θὤμισυ: Ἐπικ. κρᾶσις ἀντὶ τὸ ἥμισυ, Ἡσ. Ἔργ. κ. Ἡμ. 557.