Usage: 8 forms in 12 verses
Form Translated As     In Verse(s)
ευθυνούσιν are straightened LXX.Lam.1.5
ευθηνών prospering LXX.Job.21.23 • LXX.Hos.10.1
was prospering LXX.Dan.4.4
ευθηνούσι prosper LXX.Job.21.9
they prosper LXX.Ps.123.4
ευθηνούσα prospering LXX.Ps.128.3 • LXX.Zech.7.7
ευθηνούντων of prospering ones LXX.Ps.68.17
ευθηνούντεσ they prosper LXX.Ps.73.12
ευθηνούν prospering LXX.Jer.17.8
ευθηνήσαν prospered LXX.Jer.12.1

Liddell-Scott-Jones

εὐθηνέω (euthēneō) to prosper G:V

εὐθηνέω,

thrive, flourish, εὐθηνέειν Αἴγυπτον [Refs 5th c.BC+]; κτήνεσιν εὐθηνεῖ (i.e. ὁ ὄλβιος) [Refs]; πρόβατα εὐθηνεῖν may their sheep thrive, [Refs 3rd c.BC+]; τὰ κτήνεα εὐθηνεῖν εἰκός probably in [LXX+5th c.BC+]:—passive, Αἴγυπτος καρποῖς ἀφθόνοις εὐθηνεῖτο [εὐθηνέω">Refs 2nd c.AD+]—Ionic dialect accusative to [Refs] —is frequently variant for{εὐθενέω} (which see) and is required by metre in [Refs]

LSJ Scripture Refs: LXX.Job.21.9