Lexical Definition

‎στενός‎ stenós (sten-os') narrow ^G:A
probably from the base of ‎ἵστημι‎

strait.

• narrow (from obstacles standing close about)

Abbott-Smith

στενός, -ή, -όν [in LXX for צַר, etc. ;]
narrow: fig (v MM, xxiii), Mt 7:13, 14, Lk 13:24.†

Abbott-Smith References

Liddell-Scott-Jones

στενός,

Ionic dialect στεινός, ή, όν, Aeolic dialect στένος [Refs 7th c.BC+]:— narrow, opposed to εὐρύς, πλατύς, [Refs 5th c.BC+]; ψαλίς [Refs 5th c.BC+]; πόρος[Refs 5th c.BC+]; ἐν στενῷ, Ionic dialect στεινῷ, in a narrow space, [Refs 5th c.BC+]. ; ποιεῖν τὸν δῆμον εὐρὺν καὶ σ. [Refs 5th c.BC+]; πόροι, φλέβες, [Refs 5th c.BC+]; κεφαλή, πόδες, [Refs 5th c.BC+]

__2 substantive, τὰ σ. the narrows, straits, of a pass, [Refs 5th c.BC+]; of a sea, [Refs 5th c.BC+]; of the straits of Gibraltar, [Refs 1st c.BC+]; so τὸ σ. the strait [Refs 5th c.BC+]; also ἡ στενή a narrow strip of land, [Refs 5th c.BC+]; τὰ σ. passes, defiles, [Refs 5th c.BC+]
__II metaphorically, close, confined, ἀπειληθέντες ἐς στεινόν driven into a corner, [Refs 5th c.BC+]
__II.2 scanty, petty, [Refs 5th c.BC+]; small-minded, narrow-minded, in adverb comparative, [Refs 3rd c.AD+]
__II.3 of sound and style, thin, meagre, [Refs 4th c.BC+]; hard to pronounce, συλλαβὴ σ. καὶ δύστομος [στενός, like{κενός}, forms the \_comparative\_ and \_superlative\_ στενότερος, στενότατος, and these forms are explainable from \*στενϝότερος, \*στενϝότατος, which are implied by the Ionic forms στεινότερος, -ότατος (στεινότερος occurs in 5th c.BC: Herodotus Historicus 1.181, 7.175 ">Refs 5th c.BC+], στενότερος in [Refs 5th c.BC+]; and στενοτάτου is required by the metre in [Refs 2nd c.BC+]; the form στενώτερος is however found in [Refs 5th c.BC+]
__III adverb, στενῶς διακεῖσθαι to be in difficulties, [LXX+3rd c.BC+]

_{LSJ Scripture Refs: LXX.1Kgs.13.6}