διακύπτω · diakyptō — LSJ
stoop and creep through a narrow place, Hdt. 3.145, Ar. Ec. 930.
stoop so as to peep in, Id. Pax 78; διὰ τῆς κεραμίδος Diph. 84, cf. Men. Epit. 463.
look out, διὰ τῆς θυρίδος LXX 4 Ki. 9.30, cf. PMagd. 24.4 (iii B.C.), Luc. Asin. 45.