Etymograph

English

alethoscope

Alethoscope comes from Ancient Greek ἀλήθεια ‘truth’, and goes back to *λῆθος.

  1. Ancient Greekc. 800–300 BCE*λῆθοςlêthosreconstructed
  2. Ancient Greek, derivedc. 800–300 BCEᾰ̓ληθήςălēthḗs‘truthful, honest’
  3. Ancient Greek, derivedc. 800–300 BCEἀλήθειαalḗtheia‘truth’
  4. Englishtodayalethoscope

attested reconstructed ? uncertain or disputed

Lineage

  1. Ancient Greekc. 800–300 BCE*λῆθοςlêthosreconstructed
  2. Ancient Greek, derivedc. 800–300 BCEᾰ̓ληθήςălēthḗs‘truthful, honest’
  3. Ancient Greek, derivedc. 800–300 BCEἀλήθειαalḗtheia‘truth’
  4. Englishtodayalethoscope

Formed from -scope

Today it means

noun An instrument, invented in the 1860s, for viewing magnified pictures by means of a single lens inside a box. By varying the intensity of the light, the same picture can be shown as "daytime" or "nighttime".

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

Etymograph / Ancient Greek *λῆθος / alethoscope