Usage: 6 forms in 7 verses
Form Translated As     In Verse(s)
εμπλατύνωσι they should widen LXX.Amos.1.13
εμπλατύνων widening LXX.Deut.33.20
εμπλατύνω widen LXX.Exod.23.18
εμπλατύνη should widen LXX.Deut.12.20LXX.Deut.19.8
εμπλατύνει widens LXX.Prov.18.16
εμπλάτυνον widening LXX.Mic.1.16

Liddell-Scott-Jones

ἐμπλατύνω (emplatunō) to widen G:V

ἐμπλατύνω,

widen or extend, τὰ ὅρια [LXX]passive, λόγοις ἐμπλατύνεσθαι to expatiate, [Refs 1st c.BC+]

LSJ Scripture Refs: LXX.Exod.23.18LXX.Prov.18.16