4456. póroó
Strong's Concordance
póroó: to petrify, i.e. to harden
Original Word: πωρόω
Part of Speech: Verb
Transliteration: póroó
Phonetic Spelling: (po-ro'-o)
Definition: to petrify, to harden
Usage: I harden, render callous, petrify.
HELPS Word-studies

4456 pōróō (from pōros, a kind of marble) – properly, made of stone; (figuratively) insensible; dull, unperceptive as a rock; calloused (hardened); i.e. unresponsive (dense), completely lacking sensitivity or spiritual perception.

[From the time of Hippocrates, 4456 (pōróō) means "harden," like a formed callus which petrifies (cf. DNTT, 2, 153).

4456 (pōróō) was applied to bony formations on the joints (a "callus," ossification) – hence meaning "to petrify" (as in "covering over with a callus"). 4456 (pōróō) is only used figuratively in the NT meaning "to deaden (dull), to make (render) obtuse (dull, dead)" (Souter).]

NAS Exhaustive Concordance
Word Origin
from póros (a stone, a callous)
to petrify, i.e. to harden
NASB Translation
hardened (5).

Thayer's Greek Lexicon
STRONGS NT 4456: πωρόω

πωρόω, πώρω: 1 aorist ἐπωρωσα (John 12:40 T Tr WH); perfect πεπώρωκα; perfect passive participle πεπωρωμενος; 1 aorist passive ἐπωρωθην; (πῶρος, hard skin, a hardening, induration); to cover with a thick skin, to harden by covering with a callus (R. V. everywhere simply to harden): metaphorically, καρδίαν, to make the heart dull, John 12:40; passive, to grow hard or callous, become dull, lose the power of understanding: Romans 11:7; τά νοήματα, 2 Corinthians 3:14; καρδία, Mark 6:52; Mark 8:17. Cf. Fritzsche, Commentary on Mark, p. 78f; on Romans, ii., p. 451f. ((Hippocrates (), Aristotle, others.))

Strong's Exhaustive Concordance
harden, blind

Apparently from poros (a kind of stone); to petrify, i.e. (figuratively) to indurate (render stupid or callous) -- blind, harden.

Forms and Transliterations
επωρωθη επωρώθη ἐπωρώθη επωρωθησαν επωρώθησαν ἐπωρώθησαν επωρωσεν ἐπώρωσεν πεπώρωκεν πεπωρωμενη πεπωρωμένη πεπωρωμενην πεπωρωμένην πεπώρωνται eporosen epōrōsen epṓrosen epṓrōsen eporothe eporṓthe epōrōthē epōrṓthē eporothesan eporṓthesan epōrōthēsan epōrṓthēsan peporomene peporoméne pepōrōmenē pepōrōménē peporomenen peporoménen pepōrōmenēn pepōrōménēn
Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Mark 6:52 V-RPM/P-NFS
GRK: ἡ καρδία πεπωρωμένη
NAS: but their heart was hardened.
KJV: heart was hardened.
INT: the heart hardened

Mark 8:17 V-RPM/P-AFS
GRK: οὐδὲ συνίετε πεπωρωμένην ἔχετε τὴν
NAS: Do you have a hardened heart?
KJV: heart yet hardened?
INT: nor understand Hardened have you the

John 12:40 V-AIA-3S
GRK: ὀφθαλμοὺς καὶ ἐπώρωσεν αὐτῶν τὴν
KJV: eyes, and hardened their heart;
INT: eyes and has hardened of them the

Romans 11:7 V-AIP-3P
GRK: δὲ λοιποὶ ἐπωρώθησαν
NAS: it, and the rest were hardened;
KJV: and the rest were blinded
INT: however [the] rest were hardened

2 Corinthians 3:14 V-AIP-3S
GRK: ἀλλὰ ἐπωρώθη τὰ νοήματα
NAS: But their minds were hardened; for until
KJV: their minds were blinded: for until
INT: But were hardened the minds

Strong's Greek 4456
5 Occurrences

ἐπώρωσεν — 1 Occ.
ἐπωρώθη — 1 Occ.
ἐπωρώθησαν — 1 Occ.
πεπωρωμένη — 1 Occ.
πεπωρωμένην — 1 Occ.

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