ἔχιδνα

Derivation

of uncertain origin;

Meaning

an adder or other poisonous snake (literally or figuratively)

In the King James Version

viper

Translated as

vipers (4), viper (1)

Where it appears

Found in 5 verses

มัทธิว

3:7, 12:34, 23:33

ลู​กา​

3:7

​หน​ังสื​อก​ิจการ

28:3