Usage: 9 forms in 24 verses
Form Translated As     In Verse(s)
διεπετάσαμεν we opened and spread out LXX.Ps.44.20
διεπέτασεν he opened and spread out LXX.Lam.2.6
διεπέτασε Zion opened and spread out LXX.Lam.1.17
he opened and spread out LXX.1Kgs.8.22LXX.2Chr.6.12LXX.2Chr.6.13LXX.Ps.105.39LXX.Lam.1.13
opened and spread out LXX.2Sam.17.19
were open and spread out LXX.1Kgs.6.27
διεπέτασα I opened and spread out LXX.Ps.88.9LXX.Ps.143.6LXX.Ezek.16.8
διαπετάση should open and spread out LXX.1Kgs.8.38LXX.2Chr.6.29
διαπεπετασμένων opening and spreading out LXX.1Chr.28.18
διαπεπετασμέναι being open and spread out LXX.2Chr.3.13
being opened and spread out LXX.1Kgs.8.54
διαπεπετασμένα opened and spread out LXX.1Kgs.6.18LXX.1Kgs.6.29
opening and spreading out LXX.1Kgs.6.35
were being opened and spread out LXX.1Kgs.8.7
were opening and spreading out LXX.1Kgs.6.32
διαπεπετακότα being opened and spread out LXX.2Chr.5.8

Liddell-Scott-Jones

διαπετάννυμι (diapetannumi) to open and spread out G:V

διαπετάννυμι,

perfect -πεπέτακα[Refs 1st c.BC+]passive -πεπέτασμαι[Refs]:—open and spread out, [Refs 5th c.BC+]; τὰς πλεκτάνας, of the polypus, [Refs 4th c.BC+] —passive, perfect διαπέπ[τ]α[νται] πύλαι probably in [Refs 5th c.BC+]