Lexical Definition

‎παχύνω‎ pachýnō (pakh-oo'-no) to thicken G:V
from a derivative of ‎πήγνυμι‎ (meaning thick)

wax gross.

Usage: 5 forms in 8 verses
Form Translated As     In Verse(s)
ἐπαχύνθη Has grown dull Matt.13.15 • Acts.28.27
παχυνθή shall thicken LXX.Eccl.12.5
επαχύνθησαν They became fat LXX.Jer.5.28
επαχύνθη he was thickened LXX.Deut.32.15
thickened LXX.Isa.34.6
was thickened LXX.Isa.6.10
επάχυνεν thickened LXX.2Sam.22.12

Abbott-Smith

παχύνω (< παχύς, thick), [in LXX: De 32:15, Is 6:10 (שָׁמֵן), al.;]
to thicken, fatten; pass., to grow fat. Metaph., to make dull or stupid (τ. ψυχάς, Plut.); pass., to wax gross: ἡ καρδία, Mt 13:15, Ac 28:27 (LXX).†

Abbott-Smith References

Book Refs
Deuteronomy 32:15
Isaiah 6:10
Matthew 13:15
Acts 28:27

Liddell-Scott-Jones

παχύνω-ω,

perfect passive πεπάχυσμαι [Refs 4th c.BC+]:—fatten, τὰ σώματα [Refs 5th c.BC+]:—passive, grow fat, [LXX+5th c.BC+]

__b thicken, strengthen, δεσμόν [Refs 3rd c.AD+]
__2 metaphorically, cause to wax fat, increase, κότον π. [Refs 4th c.BC+]:—passive, ὄλβος ἄγαν παχυνθείς [Refs]
__2.b metaphorically, make gross or dull, τὰς ψυχὰς ὑπὸ πλης μονῆς π. [Refs 1st c.AD+]; βρώσεις τὸν νοῦν π. [Refs 2nd c.AD+]“V A” 1.8:— passive, [LXX+2nd c.AD+]; to be coarsened, [ψυχὴ] παρὰ τὴν ἰδίαν φύσιν πεπαχυμμένη [Refs 2nd c.AD+]in R.1.119 K.
__II passive, become thick, π. πρὸς τὸν ἥλιον, of the skull, [Refs 5th c.BC+]; of humours, [Refs 5th c.BC+]; of excrements, [Refs 4th c.BC+]; distinguished from πήγνυσθαι, [Refs]; of fruit juices, become concentrated, [Refs 4th c.BC+]; of oil, [Refs 2nd c.AD+]
__II.2 to be dulled, of the sun's light, [Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Eccl.12.5 ☩ LXX.Isa.6.10