LSJ
breathe out, expire, in Pass., Hsch. s.v. ἀπεψύχη ; also, = ἀποπέρδω, Sch. Ar. Pax 891.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
aushauchen, ausdünsten ; = ἀποπέρδω, Schol. Ar. Pax 891.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)