Strong’s Hebrew
H6349 — pachaz
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
פַּחַז
pachaz — pronounced pakh'-az
from 6348; ebullition, i.e. froth (figuratively, lust):--unstable. see H06348
1 occurrence in the KJV.
Genesis 49:4
Unstable as water, thou shalt not excel; because thou wentest up to thy father’s bed; then defiledst thou it: he went up to my couch.