Strong’s Hebrew
H6609 — pthikhah
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
פְּתִחָה
pthikhah — pronounced peth-ee-khaw
from 6605; something opened, i.e. a drawn sword:--drawn sword. see H06605
1 occurrence in the KJV.
Psalms 55:21
The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.