Words related to heat

heated (adj.)
in figurative sense "agitated, inflamed," 1590s, past-participle adjective from heat (v.). Related: Heatedly.
heating (n.)
"action of making hot," late 14c., verbal noun from heat (v.).
hot (adj.)

Old English hat "hot, flaming, opposite of cold," used of the sun or air, of fire, of objects made hot; also "fervent, fierce, intense, excited," from Proto-Germanic *haita- (source also of Old Saxon and Old Frisian het, Old Norse heitr, Middle Dutch and Dutch heet, German heiß "hot," Gothic heito "heat of a fever"), of uncertain origin, perhaps related to Lithuanian kaisti "to grow hot;" both could be from a substratum word.

With a long vowel in Middle English (rhyming with boat, wrote) which shortened in modern English, perhaps from influence of comparative hotter. As an adverb, Old English hote.

Hot as "full of sexual desire, lustful" is from c. 1500; the sense of "inciting desire" is 18c. Taste sense of "pungent, acrid, biting" is from 1540s. Sense of "exciting, remarkable, very good" is 1895; that of "stolen" is first recorded 1925 (originally with overtones of "easily identified and difficult to dispose of"); that of "radioactive" is from 1942. Of jazz music or combos from 1924.

Hot flashes in the menopausal sense attested from 1887. Hot stuff for anything good or excellent is by 1889, American English. Hot seat is from 1933. Hot potato in figurative sense is from 1846 (from being baked in the fire coals and pulled out hot). Hot cake is from 1680s; to sell like hot cakes is from 1839.

The hot and cold in hide-and-seek or guessing games (19c.) are from hunting (1640s), with notion of tracking a scent. Hot and bothered is by 1921. Hot under the collar in the figurative sense is from 1895.

heater (n.)
c. 1500, of persons; 1660s of devices; agent noun from heat (v.). Baseball slang meaning "fastball" is attested by 1985.
het (adj.)
"heated," archaic, late 14c., from variant past participle of heat (v.). Compare lead (v.)/led, etc.
overheat (v.)

"to make too hot, heat to excess" (transitive), late 14c., overhēten, from over- + heat (v.). Intransitive sense "to become too hot" is by 1902, originally in reference to motor engines. Related: Overheated; overheating.

preheat (v.)

also pre-heat, "to heat in advance of use or further preparation," 1878, from pre- "before" + heat (v.). Related: Preheated; preheating.

reheat (v.)

also re-heat, "to heat again or anew," 1727, from re- "again" + heat (v.). Related: Reheated; reheating.

superheat (v.)
1827 (implied in superheated) "to heat to a very high degree," specifically of steam until it resembles a perfect gas, from super- + heat (v.). Related: Superheating.