σιγμός
From LSJ
οὐκ ἔστιν οὐδείς, οὐδ' ὁ Μυσῶν ἔσχατος → there is nobody, not even the last of the Mysians | there is nobody, not even the meanest of mankind
English (LSJ)
ὁ, (σίζω)
A hissing, as of tortoises, Arist.HA536a7; as a signal, Plu.2.593b; in Magic, Plot.2.9.14; in Gramm., of sibilants, D.T.631.18, Phld.Po.Herc.994.33, S.E.M.1.102.
German (Pape)
[Seite 878] ὁ, das Zischen, Arist. H. A. 4, 9; der Zischlaut, S. Emp. adv. gramm. 102; auch σισμός, Sp.
Greek (Liddell-Scott)
σιγμός: ὁ, (σίζω) τὸ σίζειν, σύριγμα, ἢ συριστικὸς ἦχος, οἷος ὁ τῶν χελωνῶν,· Ἀριστ. π. τὰ Ζ. Ἱστ. 4. 9, 9· ὡς σημεῖον, Πλούτ. 2. 593Β· παρὰ τοῖς γραμματ., ἐπὶ συριστικῶν γραμμάτων, Σέξτ. Ἐμπ. π. Μ. 1. 102.