Strong’s Hebrew
H3699 — kacac
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
כָּסַס
kacac — pronounced kaw-sas
a primitive root; to estimate:--make count.
1 occurrence in the KJV.
Exodus 12:4
And if the household be too little for the lamb, let him and his neighbour next unto his house take it according to the number of the souls; every man according to his eating shall make your count for the lamb.