NET

19 For the power of the horses resides in their mouths and in their tails, because their tails are like snakes, having heads that inflict injuries.

Darby

19 For the power^D9539 of the horses is in their mouth and in their tails: for their tails [are] like serpents, having heads, and with them they injure.

Darby Bible Notes

power - Exousia. see ver. 10.

KJV

19 For their power is in their mouth, and in their tails: for their tails [were] like unto serpents, and had heads, and with them they do hurt.

Strong's

19 For ^G1063 their^G846 power^G1849 is^{G1526 G2076} in^G1722 their^G846 mouth^G4750, and^G2532 in^G1722 their^G846 tails^G3769: for^G1063 their^G846 tails^G3769 were like^G3664 unto serpents^G3789, and had^G2192 heads^G2776, and^G2532 with^G1722 them^G846 they do hurt^G91.