Vine's Expository Dictionary: View Entry
θερμαίνω thermaínō, ther-mah'-ee-no; from G2329; to heat (oneself):—(be) warm(-ed, self).
The KJV translates Strong's G2328 in the following manner: warm (one's) self (5x), be warmed (1x).
to make warm, to heat
to warm one's self
Strong's Number G2328 matches the Greek θερμαίνω (thermainō),
which occurs 6 times in 5 verses
in the TR Greek.