βλεπτέον
From LSJ
νύμφην τ' ἄνυμφον παρθένον τ' ἀπάρθενον → wife unwed and virgin that is no virgin | bride that is no bride, virgin that is virgin no more | virgin wife and widowed maid | unwed bride and ravished virgin
English (LSJ)
A one must look, εἴς τι Pl.Lg.965d, Arist.APr.44a36, etc.
Greek (Liddell-Scott)
βλεπτέον: ῥημ. ἐπίθ., πρέπει τις νὰ ἴδῃ, νὰ ἀποβλέψῃ, εἴς τι Πλάτ. Νόμ. 965D.