Fever (to be sick of) - Vine's Expository Dictionary of New Testament Words
Fever (to be sick of)[ A-1,Noun,G4446, puretos ]
feverish heat" (from pur, "fire"), hence, "a fever," occurs in Matthew 8:15; Mark 1:31; John 4:52; Acts 28:8; in Luke 4:38, with megas, "great, a high fever;" Luke 4:39. Luke, as a physician, uses the medical distinction by which the ancients classified fevers into great and little. In the Sept., Deuteronomy 28:22.
[ B-1,Verb,G4445, puresso ]
signifies "to be ill of a fever" (akin to A), Matthew 8:14; Mark 1:30.