σιώ
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
Lacon. dual of θεός, Ar.Lys.142; σιῷ, dat. for θεῷ, ib.174.
Greek (Liddell-Scott)
σιώ: Λακων. δυϊκ. τοῦ θεός, Ἀριστοφ. Λυσ. 142· οὕτω δοτ. σιῷ ἀντὶ θεῷ, αὐτόθι 174.
French (Bailly abrégé)
v. σιός.
Greek Monolingual
Α
(λακων. τ.) δυϊκός αριθμό της λ. θεός.
Russian (Dvoretsky)
σιώ: τώ лак. dual. к σιός (= θεός) Arph.: ναὶ τὼ σιώ! Xen. клянусь обоими богами (т. е. Кастором и Полидевком)!
Dutch (Woordenboekgrieks.nl)
σιώ Lac. dual., zie θεός.