Usage: 3 forms in 6 verses
Form Translated As     In Verse(s)
στένων in moaning LXX.Job.10.1
moaning LXX.Gen.4.12LXX.Gen.4.14LXX.Job.30.28
στένουσιν moan over LXX.Prov.29.2
στένουσι moan LXX.Prov.28.28

Liddell-Scott-Jones

στένω (stenō) to moan G:V

στένω,

only present and imperfect: Epic dialect imperfect στένον [Refs 8th c.BC+]:— poetical Verb, moan, sigh, groan, μέγα δ᾽ ἔστενε κυδάλιμον κῆρ [Refs 8th c.BC+]; of the sea, δ᾽ ἔστενεν οἴδματι θύων [Refs 5th c.BC+]; of the turtledove, [Refs 3rd c.BC+]; in Trag. of persons groaning aloud, [Refs 5th c.BC+]:— middle, κλαίω, στένομαι [Refs 5th c.BC+]

__2 after [Refs 8th c.BC+], with genitive, moan or sigh for.. , Ἑλλάδος [Refs 5th c.BC+]:—middle, περί τινας [Refs 4th c.BC+]
__3 with accusative, bewail, lament, in Trag., [Refs 5th c.BC+]: rarely in Comedy texts, absolutely, [στένω 5th c.BC: Euripides Tragicus “Phoenissae” 1425 ">Refs 5th c.BC+]; στένω σε τᾶς τύχας I pity thee for thy ill fortune, [Refs 4th c.BC+]:—middle, στένεσθαί τινα [Refs 5th c.BC+]. (Cf. Sanskrit stánati 'thunder, roar', Lithuanian stenēti 'groan'.)