Etymology of the English word digitron
the English word
digitronderived from the English word
digitderived from the Latin word
digitus (finger; digit, interlocked by finger-like processes; finger; finger; toe; finger's breadth)
derived from the Proto-Indo-European root
*deik- (to show, to pronounce solemnly; to throw)
using the English suffix
-tronDate
The earliest known usage of digitron in English dates from the 20th century.