μὴ λέγε τοὐμὸν ὄνειρον ἐμοί → tell not my own dream to me, you are telling me what I know already
yawn: Ar. and P. χάσκειν, χασμᾶσθαι.
open (of the earth): Ar. and V. διίστασθαι, V. ῥήγνυσθαι.
yawn: P. χάσμη, ἡ, Ar. χάσμημα, τό.