alethoscope

Meanings

1. 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".

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Ancient Greek *λῆθος (*lêthos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ής (-ḗs) Ancient Greek ᾰ̓ληθής (ălēthḗs) Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂der. Ancient Greek -ῐᾰ (-ĭă) Ancient Greek ἀλήθεια (alḗtheia) Proto-Indo-European *speḱ- Proto-Indo-European *-yeti Proto-Indo-European *spéḱyeti Proto-Hellenic *sképťomai Ancient Greek σκέπτομαι (sképtomai) Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek σκοπός (skopós) Proto-Indo-European *-eti Proto-Indo-European *-eyéti Proto-Indo-European *-esyéti Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Ancient Greek -έω (-éō) Ancient Greek σκοπέω (skopéō)der. English -scope English alethoscope From Ancient Greek ἀλήθεια (alḗtheia, “truth”) + -scope, equivalent to aletho- + -scope.