Strong’s Greek
G4445 — puresso
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πυρέσσω
puresso — pronounced poo-res'-so
from 4443; to be on fire, i.e. (specially), to have a fever:--be sick of a fever. see GREEK for 4443
2 occurrences in the KJV.
Matthew 8:14
And when Jesus was come into Peter’s house, he saw his wife’s mother laid, and sick of a fever.
Mark 1:30
But Simon’s wife’s mother lay sick of a fever, and anon they tell him of her.