G4445
πυρέσσω
be feverish
πυρέσσω (πῦρ) to be ill of a fever: Mat.8:14, Mrk.1:3.† (AS)
The KJV translates G4445 in the following manner:
fever (4x)
Full Thayer's lexicon entry
πυρέσσω — pyréssō
πυρέσσω; (πῦρ); (Vulg., Celsus, Senec., othersfebricito); to be sick with a fever: Mat 8:14; Mar 1:30. (Euripides, Aristophanes, Plutarch, Lucian, Galen, others.)
2 occurrences
Matthew (1), Mark (1)