ὥ
From LSJ
οὐδὲν γάρ ἐστι κεκαλυμμένον ὃ οὐκ ἀποκαλυφθήσεται → there is nothing hidden that will not be revealed, there is nothing concealed that will not be revealed, there is nothing covered that shall not be revealed, there is nothing covered that won't be uncovered
English (LSJ)
Dor. for ὡς, A.D.Pron.48.27, Synt.156.22, al. II Dor. for ὅθεν, Leg.Gort.10.36, SIG47.21 (Locris, v B. C.), Theoc.3.11, al.; ὧ τοὶ λίθοι . . (from which the stones . . ) shd. be read in IG4.823.66, cf. 33 (Troezen, iv B. C.): formed like Dor. ϝοίκω = οἴκοθεν.
German (Pape)
[Seite 1406] dor. statt ὡς, B. A. p. 591, 22. 617, 31.
French (Bailly abrégé)
nom. et acc. duel de ὅ, ἥ, ὅ.
Greek Monotonic
ὥ: Δωρ. αντί οὗ, γεν. του ὅς, Λατ. quI.
Russian (Dvoretsky)
ὥ: nom. и acc. dual. к ὅς.