STRONGS NT 4417: πταίω

πταίω; future πταίσω; 1 aorist ἐπταισα; (akin to ΠΑΤΩ and πίπτω (cf. Vanicek, p. 466)); from (Pindar), Aeschylus, and Herodotus down;

1. transitive, τινα, to cause one to stumble or fall.

2. intransitive, to stumble: δίς πρός τόν αὐτόν λίθον, Polybius 31, 19, 5. tropically (cf. English trip, stumble)

a. to err, to make a mistake (Plato, Theact c. 15, p. 160 d.); to sin: absolutely Romans 11:11 (ἴδιον ἀνθρώπου φιλεῖν καί τούς πταιοντας, Antoninus 7, 22); πολλά, in many ways, James 3:2; ἐν ἑνί (namely, νόμῳ), to stumble in, i. e. sin against, one law, James 2:10 (but see εἷς, 2 a. at the end); ἐν λόγῳ (for the (more common) simple dative), to sin in word or speech, James 3:2.

b. to fall into misery, become wretched (often so in Greek writings): of the loss of salvation, 2 Peter 1:10.

επταίκασιν επταισαν έπταισαν ἔπταισαν έπταισεν πταιει πταίει πταιομεν πταίομεν πταίσαι πταίσει πταιση πταίσῃ πταίσης πταισητε πταίσητέ πταρμώ eptaisan éptaisan ptaiei ptaíei ptaiomen ptaíomen ptaise ptaisē ptaísei ptaísēi ptaisete ptaisēte ptaíseté ptaísētéInterlinear Greek • Interlinear Hebrew • Strong's Numbers • Englishman's Greek Concordance • Englishman's Hebrew Concordance • Parallel Texts