πταίω [in LXX chiefly for נָגַף ni. ;] __1. trans., to cause to stumble (1Ki.4:3, cf. Deiss., BS, 681). __2. Intrans., to stumble. Metaph., in moral sense, Refs Rom.11:11, Jas.2:10 3:2, 2Pe.1:10.† (AS)
Thayer:
1) to cause one to stumble or fall 2) to stumble 2a) to err, make a mistake, to sin 2b) to fall into misery, become wretched
πταίω
ptaiō
ptah'-yo
A form of G4098; to trip, that is, (figuratively) to err, sin, fail (of salvation)
ptaio H3369 yaqosh ni. ptaio H5062 nagaph ni.,qal.
Related words
G4417 πταίω
G679 ἄπταιστοςἄπταιστος
aptaistos
ap-tah'ee-stos
From G1 (as a negative particle) and a derivative of G4417; notstumbling, that is, (figuratively) withoutsin
πίπτω, πέτω
piptō petō
pip'-to,pet'-o
The first is a reduplicated and contracted form of the second (which occurs only as an alternate in certain tenses); probably akin to G4072 through the idea of alighting; to fall (literally of figuratively)
KJV Usage: fail, fall (down), light on.
G377 ἀναπίπτωἀναπίπτω
anapipto
an-ap-ip'-to
From G303 and G4098; to fallback, that is, liedown, leanback
KJV Usage: lean, sit down (to meat).
G496 ἀντιπίπτωἀντιπίπτω
antipiptō
an-tee-pip'-to
From G473 and G4098 (including its alternate); to oppose
KJV Usage: resist.
G634 ἀποπίπτωἀποπίπτω
apopiptō
ap-op-ip'-to
From G575 and G4098; to falloff
KJV Usage: fall.
G1120 γονυπετέωγονυπετέω
gonupeteō
gon-oo-pet-eh'-o
From a compound of G1119 and the alternate of G4098; to fallon the knee
KJV Usage: bow the knee, kneel down.
G1356 διοπετήςδιοπετής
diopetēs
dee-op-et-ace'
From the alternate of G2203 and the alternate of G4098; skyfallen (that is, an aerolite)
KJV Usage: which fell down from Jupiter.
G1601 ἐκπίπτωἐκπίπτω
ekpiptō
ek-pip'-to
From G1537 and G4098; to dropaway; specifically bedrivenout of one’s course; figuratively to lose, becomeinefficient
KJV Usage: be cast, fail, fall (away, off), take none effect.
G1706 ἐμπίπτωἐμπίπτω
empiptō
em-pip'-to
From G1722 and G4098; to fallon, that is, (literally) beentrappedby, or (figuratively) beoverwhelmedwith
KJV Usage: fall among (into).
G1968 ἐπιπίπτωἐπιπίπτω
epipiptō
ep-ee-pip'-to
From G1909 and G4098; to embrace (with affection) or seize (with more or less violence; literally or figuratively)
KJV Usage: fall into (on, upon), lie on, press upon.
G2667 καταπίπτωκαταπίπτω
katapiptō
kat-ap-ip'-to
From G2596 and G4098; to falldown
KJV Usage: fall (down).
G3895 παραπίπτωπαραπίπτω
parapiptō
par-ap-ip'-to
From G3844 and G4098; to fallaside, that is, (figuratively) to apostatize
KJV Usage: fall away.
G4045 περιπίπτωπεριπίπτω
peripiptō
per-ee-pip'-to
From G4012 and G4098; to fall into something that is all around, that is, lightamong or upon, besurroundedwith
KJV Usage: fall among (into).
G4312 προπετήςπροπετής
propetēs
prop-et-ace'
From a compound of G4253 and G4098; fallingforward, that is, headlong (figuratively precipitate)
KJV Usage: heady, rash [-ly].
G4363 προσπίπτωπροσπίπτω
prospiptō
pros-pip'-to
From G4314 and G4098; to falltowards, that is, (gently) prostrate oneself (in supplication or homage), or (violently) to rush upon (in storm)
KJV Usage: beat upon, fall (down) at (before).
G4422 πτοέωπτοέω
ptoeō
pto-eh'-o
Probably akin to the alternate of G4098 (through the idea of causing to fall) or to G4072 (through that of causing to fly away); to scare
KJV Usage: frighten.
G4430 πτῶμαπτῶμα
ptōma
pto'-mah
From the alternate of G4098; a ruin, that is, (specifically) lifeless body (corpse, carrion)
KJV Usage: dead body, carcase, corpse.
G4431 πτῶσιςπτῶσις
ptōsis
pto'-sis
From the alternate of G4098; a crash, that is, downfall (literally or figuratively)
KJV Usage: fall.
G4434 πτωχόςπτωχός
ptōchos
pto-khos'
From πτώσσω ptōssō (to crouch; akin to G4422 and the alternate of G4098); a beggar (as cringing), that is, pauper (strictly denoting absolute or public mendicancy, although also used in a qualified or relative sense; whereas G3993 properly means only straitened circumstances in private), literally (often as noun) or figuratively (distressed)