Matthew 3:7

Ἰδὼν δὲ πολλοὺς τῶν Φαρισαίων καὶ Σαδδουκαίων ἐρχομένους ἐπὶ τὸ βάπτισμα αὐτοῦ, εἶπεν αὐτοῖς, Γεννήματα ἐχιδνῶν, τίς ὑπέδειξεν ὑμῖν φυγεῖν ἀπὸ τῆς μελλούσης ὀργῆς;

RBT Greek Interlinear:

Strongs 3708; Idōn; Ἰδὼν; he who has perceived; V-APA-NMS

Strongs 1161; de; δὲ; and; Conj

Strongs 4183; pollous; πολλοὺς; many; Adj-AMP

Strongs 3588; tōn; τῶν; the; Art-GMP

Strongs 5330; Pharisaiōn; Φαρισαίων; Separatists; N-GMP

Strongs 2532; kai; καὶ; and; Conj

Strongs 4523; Saddoukaiōn; Σαδδουκαίων; Sadducees; N-GMP

Strongs 2064; erchomenous; ἐρχομένους; those who are coming; V-PPM/P-AMP

Strongs 1909; epi; ἐπὶ; upon; Prep

Strongs 3588; to; τὸ; the; Art-ANS

Strongs 908; baptisma; βάπτισμα; baptism; N-ANS

Strongs 846; autou; ‹αὐτοῦ›; of Him; PPro-GM3S

Strongs 2036; eipen; εἶπεν; said; V-AIA-3S

Strongs 846; autois; αὐτοῖς; to themselves; PPro-DM3P

Strongs 1081; Gennēmata; Γεννήματα; Offspring; N-VNP

Strongs 2191; echidnōn; ἐχιδνῶν; of vipers; N-GFP

Strongs 5101; tis; τίς; who; IPro-NMS

Strongs 5263; hypedeixen; ὑπέδειξεν; forewarned; V-AIA-3S

Strongs 4771; hymin; ὑμῖν; to yourselves; PPro-D2P

Strongs 5343; phygein; φυγεῖν; to flee; V-ANA

Strongs 575; apo; ἀπὸ; away from; Prep

Strongs 3588; tēs; τῆς; the; Art-GFS

Strongs 3195; mellousēs; μελλούσης; her who is about to; V-PPA-GFS

Strongs 3709; orgēs; ὀργῆς; impulse; N-GFS

RBT Hebrew Literal:

Offspring of Treacherous Women

And he who has perceived multitudinous of the Separatists ("Pharisees") and Purists ("Sadducees"), those who are coming upon the Submersion, said to themselves, "Offspring of vipers,⁹ who showed to yourselves to flee away from the Wrath of her who is destined to be?

Julia Smith Literal 1876 Translation:
And seeing many of the Pharisees and Sadducees coming to his immersion, he said to them, O generation of vipers, who has indicated to you to flee from the wrath about to come?

LITV Translation:
But seeing many of the Pharisees and Sadducees coming to his baptism, he said to them, Offspring of vipers! Who warned you to flee from the wrath to come?

ESV Translation:
But when he saw many of the Pharisees and Sadducees coming to his baptism, he said to them, “You brood of vipers! Who warned you to flee from the wrath to come?

Footnotes

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See Logeion LSJ on the metaphorical usage of ἔχιδνα, "viper":

• Aeschylus (A. Ch. 249), Sophocles (S. Ant. 531): Here, "viper" is used metaphorically to describe a treacherous or deceitful wife or friend. It implies the idea of someone who is cunning, venomous, or dangerous, similar to the behavior of a viper.
• Secundus (Secund. Sent. 8): This reference suggests the metaphorical use of "viper" to describe a deceitful or malicious woman, emphasizing negative traits associated with the snake.
• Gospel of Matthew (Ev. Matt. 3.7): In the New Testament, John the Baptist uses the phrase "brood of vipers" as a term of reproach when addressing the Pharisees and Sadducees who came to him for baptism. It symbolizes their hypocrisy, deceitfulness, and moral corruption.

This metaphor of "viper" for a treacherous woman was in use for centuries prior to the NT.