Etymograph

English

incalescent

Incalescent comes from Latin incalēscēns ‘growing warm’, and goes back to Proto-Indo-European *ḱleh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱleh₁-‘hot, warm’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ḱl̥h₁éh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*kalēōreconstructed
  4. Latinc. 75 BCE–200 CEcaleō‘to be warm or hot, glow’
  5. Latin, derivedc. 75 BCE–200 CEcalēscōas calēscere‘to grow warm’next step skipped: Latin incalēscō
  6. Latin, derivedc. 75 BCE–200 CEincalēscēns‘growing warm’
  7. Englishearliest quotation 1973incalescent

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱleh₁-‘hot, warm’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*ḱl̥h₁éh₁yetireconstructed
  3. Proto-Italicc. 1500–700 BCE*kalēōreconstructed
  4. Latinc. 75 BCE–200 CEcaleō‘to be warm or hot, glow’
  5. Latin, derivedc. 75 BCE–200 CEcalēscōas calēscere‘to grow warm’next step skipped: Latin incalēscō
  6. Latin, derivedc. 75 BCE–200 CEincalēscēns‘growing warm’
  7. Englishearliest quotation 1973incalescent

Earliest quotation: 1973, Kyril Bonfiglioli, Mordecais' Endgame (Don't Point That Thing at Me): “From some undreamed-of reservoir my body summoned up a…”

Linked words

through Latin caleō ‘to be warm or hot, glow’

calorie, caloric, calorimetry, calorimeter, scald, 14 more

Today it means

adj Becoming warmer; heating up; calescent.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *ḱleh₁- / incalescent

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