Strong’s Greek
G4378 — proschusis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πρόσχυσις
proschusis — pronounced pros'-khoo-sis
from a comparative of 4314 and cheo (to pour); a shedding forth, i.e. affusion:--sprinkling. see GREEK for 4314
1 occurrence in the KJV.
Hebrews 11:28
Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.