Usage: 8 forms in 12 verses
Form Translated As     In Verse(s)
ευθυνούσιν are straightened LXX.Lam.1.5
ευθηνών prospering LXX.Job.21.23LXX.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.128.3LXX.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. 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