Usage: 3 forms in 6 verses
Form Translated As     In Verse(s)
διατάξεωσ of their arrangement LXX.2Chr.31.16
διατάξει arrangement LXX.2Chr.31.17LXX.Ezek.42.15LXX.Ezek.42.20
your disposition LXX.Ps.119.91
διάταξιν disposition LXX.Ezek.43.10

Liddell-Scott-Jones

διάταξις (diataxis) a disposition G:N-F

διάταξις, εως, ,

(διατάσσω) disposition, arrangement, of troops, [Refs 5th c.BC+]; disposition of the elements, [Refs 5th c.BC+]; of a treatise, [Refs 3rd c.BC+]; Rhet., arrangement of topics, [Refs 2nd c.AD+]

__II command, [LXX+2nd c.BC+]; testamentary disposition, [Refs 2nd c.BC+]; compact, [Refs]
__II.2 imperial constitution, θεῖαι δ. Wilcken[Refs 3rd c.AD+]; κατὰ διάταξιν τοῦ Ἁδριανοῦ [Refs 2nd c.AD+]; νεαραὶ δ., title of Justinian's Novels; of the decree of the praefectus Aegypti, Wilcken[Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Ps.118.91*